Electric Circuits and Networks

3.9 QUESTIONS

[Passive sign convention is assumed throughout]

1. What is meant by linearity of an electrical element? Show that a resistor satisfying Ohm's law is a linear element.
2. What are series equivalent and parallel equivalent of n equal resistors?
3. Show that a resistor in parallel with a short-circuit is a short-circuit.
4. Show that a resistor in series with an open-circuit is an open-circuit.
5. Show that the parallel equivalent of a set of resistors will be less than the resistor with the least value among them.
6. How many different values of resistance can be obtained by using five resistors of equal value in series-parallel combinations? Enumerate them.
7. Explain why an inductor needs an initial condition specification whereas a resistor does not. ...