Answer:
circuit theory:
1.this analysis is oriented by its own.
2.applicable only for portion of RF range.
3.the dependent and independent parameters,I and V are directly obtained for the given circuit.
4.parameters of medium are not involved.
5.laplace transform is employed.
field theory:
1.envolved from transmission theory.
2.beyond RF range.
3.not directly through E and H.
4.parameter of medium are involved in the analysis.
5.maxwell equqtion is employed.