Electricity and Magnetism

Strictly, tidal power comes from the movement of the tides, and wave power comes from the movement of the waves. There are two...

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The watt is a unit of power. It is a Newton meter per second, or can be given as a joule per second. We often encounter it in...

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A battery supplies direct current (DC).

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The intensity of a signal from a radio station of a given distance away is the same during the day as it is at night time, but...

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Electro-magnetic Induction mainly deals with the ways that energy is shifted about between Electric and Magnetic fields in...

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Inductive circuit..remember ELI the ICE man, E=voltage, I=current, L=inductance, C=capacitance

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The electron is surrounded by an electric field. The electric field can be represented by force vectors in models because the...

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Aopprox. 300,000,000 meters (186,282 miles) per second, in vacuum. Slightly less in material media.

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electromagnetic induction is the process of inducing electric current in a coil with the help of a magnet. Whenever a conductor...

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A galvanometer is an instrument for detecting and measuring small electric currents. Or use this long answer: galvanometer ,...

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Don't ask such a stupid question

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I found this answer on a similar question:"Magnetism and electricity unifies as a phenomenon known as Electromagnetism. This idea...

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in the order of mA.

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Electromagnets are made by wrapping wire around a conductive rod, so that an electromagnetic field is created when current is...

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In physics repulsion is the tendency of particles or bodies of the same electric charge or magnetic polarity to separate....

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A conductor easily transfers energy in the form of electricity and/or heat, while an insulator does not easily transfer these...

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A battery tender is a low-current battery charger that will maintain battery charge (without overcharging) while vehicle is in...

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Radio waves, Infrared rays, visible light, ultra violet rays, x-rays, gamma rays

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A simple method is to get someone to wear rubber soled shoes (wellingtons) Now rub a nylon rod/comb with a piece of silk. Touch...

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Yes, in the form of infrared radiation we see that heat can travel via light waves. We call this infrared radiation, and this is...

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Well, no one really "invented" electricity, but you can ask who discovered it. 600 B.C. Thales of Miletus writes about amber...

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The kind of mirror used in the rear-view mirror must be convex mirrors, because it creates smaller, yet still upright images....

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magnetic locks alarm bells DC Motors speakers large hedron collider

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lightning does not require water vapour in the air. It travels at light speed (approx) through an ionized path.

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Not as we know it, but Benjamine Franklin, in a famous 1752 experiment, he flew a kite with a key attached to prove that...

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those which act like a permanet magnet when they are within a strrong magnetic fiel

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Suspending an item via magnets to create a completely frictionless interface between two objects, for example between a train's...

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Note: When we talk about the left hand and right hand rules, we have some confusion built into the ideas. The confusion comes...

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AC (Alternating Current), and DC (Direct Current) AC power is transmitted in phases, and alternates (called a 'frequency'). This...

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It would be electromagnetism. Or if you are asking: south to north attract, south to south and north to north repel.

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The solenoid is a long cylindrical coil of wire consisting of a large no. of turns bound together very tightly. The solenoid of...

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Using the Electrical Power Law, which is: The current (measured in amps) equals the power (measured in watts) divided by the...

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Editor's NotePlease expand upon the answer below, and provide more context and description of the five atomic...

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electric shock Physical effect of an electric current that enters the body, ranging from a minor static-electricity discharge to...

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Energy made available by the flow of electric charge through a conductor. energy resulting from the flow of charged particles,...

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The best conductor of electricity is silver, though gold is used more often because it does not oxidize. But of course, copper,...

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Let's look at a transformer first. Transformers are essentially two coils that are wrapped (wound) around a common core. The...

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1. Metals2. Stress3. Alloys4. Hard age

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Any time a magnet's flux lines cut past a conductor (wire), a small pulse of electricity is generated. A generator is the same as...

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There are a number of ways that this can be done, including both direct and indirect methods. The most common way is actually an...

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It depends what you mean by "good" they are not necessarily "good" conductors of electricity but yes they will conduct...

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No. You don't weigh more or less on a hot or cold day.

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It is not economically vantageous using brass for electrical wiring. Moreover the resistance is higher, and the other features...

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there is no way

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None at all. He was just a math and science nerd working in a dusty laboratoryin England 150 years ago. Most of the things he...

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Yes, although it's easier to generate an electric charge on some cats than others. Also, both cats and dogs can be filled with...

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Propagation of disturbances from place to place in a regular and organized way.Most familiar are surface waves that travel on...

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Refraction is used in lenses for eye glasses, contact lenses, cameras and telescopes.

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A chemical battery is a battery with chemicals in it. Every electrical battery has chemicals which react to produce a potential...

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About 8000-19500 mAh at 1.5V

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for USA, Canada and countries running a 60 Hz power supply service. Most power lines will carry 3 phase power. Basically there...

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Superconductivity is the flow of electric current without resistance in certain metals, alloys, and ceramics at temperatures near...

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We know that it is electric force that holds atoms together. The nucleus of an atom is held together by nuclear binding energy,...

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Density is the ratio of the mass of a substance to the volume of the substance.

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electromotive force...

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he was running elctricthrough a wire

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They don't unless you speaking about a parallel circuit in which total currect would be the sum of all the currents in each light...

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Spectrograph's type of Electronic Radiation is Ultraviolet Radiation in which causes a form of energy traveling through space...

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(3 Kw) x (5 hrs) = 15 kilowatt-hours

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Electricity is a type of energy which exists when there is a difference in the number of electrons present at two different...

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The electricity is build up when electrons (negative charged particles of an atom) move in a conductor (eg. metal, wire, water)...

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Yes

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It will lose its magnetic properties.Indeed you are right...but in addition, during the process of intense increase in...

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Yes. Cobalt has ferromagnetic properties, and it is used in the preparation of magnetic, wear-resistant, and high-strength alloys.

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It keeps us on the ground  Answer If you mean "what is the strength of the force?" then the answer is your weight. This...

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An electric field is the field associated with a charged body, and it is the extension of the electric charge on the individual...

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Yes.

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The long and short of measuring the electrical conductivity of elements involves little more than making a short piece of "wire"...

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A semiconductor laser is a type of laser which utilizes a semiconductor as its Photon source, rather than a gas (Argon, CO2,...

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when no electricity flow then chare are in condition of static

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that depends on how powerful the power source of the electric magnet is

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In a D/C circuit, the strength of an electromagnetic field will be increased by increasing the current flow through the...

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Magnets can distort the sound of the speaker but it shouldn't permanently affect the sound. This is because there are two magnets...

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Electromagnetism and ( through a proper resistant material ) Heat.

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nuclear fussion

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The magnitude of the electric field gets very big nearby sharp edges of the charged object. This leads to molecules in the...

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A search of onelook.com (dictionary site) came up with the following definitions, and examples, for stagger: noun: an unsteady...

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Matter- anything that takes up space and has mass Energy- the capacity to do work Matter Energy 1) Matter moves...

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A laser emits a beam of energy in the form of light. But to get energy out of a laser, we have to put some in. Depending on the...

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The two types are "static electricity" and "current electricity."

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A scrap heap magnet can attract heavy and large objects like cars lorrys metal chairs and many more thing but they have to be...

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Aluminum and copper are excellent conductors of electricity. Chlorine is a good one when bonded to Hydrogen in acid form.The...

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The human body has lots of water. While pure water is a good insulator, the human body (and naturally occurring water) has...

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Silver the very best conductor Copper the industrial choice Iron

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Yes it is. Due to the fact the body is mostly made of water, the electricity spreads around the body. Causing electric shocks...

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AllStar Magnets Vancouver Washington.

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Semiconductor is solid metal that has conductivity in between those of conductors and insulators.There forbidden energy gap in...

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Ionizing radiation ionizes atoms. Alpha and beta particles do this because they are charged. Neutrons are not ionized, but when...

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It is a vector because it has a magnitude and a direction (it can be positive or negative).

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There's specular reflection, which is the reflection from a surface made of a non-absorbing, non-porous material. Conceptually,...

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Not only air temperature, but also barometric pressure differences contribute.

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No, is it incorrect to say that a battery produces the charges that circulate in a circuit. Some might suggest that a battery is...

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Microwave signals, like all radio signals of any frequency, behave in accordance with all the math that describes refraction,...

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Mother of inventionA magnet is a metalic material that is able to attracts metals such as iron and steel. The end of the magnet...

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It was Michael Faraday.

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a power supply a conductor and a load the extra element is a switch not nessary but a part of it most of the time

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The word "battery limit" is used to indicate the location up to which a custodian responsability area / piping ends. Thie word...

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Size is the difference - both supply 1.5 volts

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Start with the differential form of Gauss's law: ∇ ● E = ρ/ε0, the divergence of the electric field is equal to the total...

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A battery, a potentiometer (pot) and a multimeter (DMM) with current measuring capability will do the trick. Include a switch if...

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