## Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

V/R.
0.
(V*L) / (R*C)
V / {R + (sL + 1 / Cs)}.

## Electric Circuits Mica capacitor are characterised by all of following except

accurate value.
low leakage reactance.
low losses.
stable operation.

## Electric Circuits If L and C both are doubled than damping in above circuit will be

None of these
halved as compared to previous one.
doubled as compared to previous one.
remains same.

Capacitor.
Diode.
Resistor.
Inductor.

## Electric Circuits Find the Z parameters of the circuit shown in figure.

Z11 = 3; Z12 = 3; Z21 = 3; Z22 = 3
Z11 = 2; Z12 = 1; Z21 = 1; Z22 = 2
Z11 = 3; Z12 = 1; Z21 = 1; Z22 = 3
Z11 = 1; Z12 = 1; Z21 = 1; Z22 = 1

## Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of

copper increases and germanium decreases.
copper decreases and germanium increases.
each of them increases.
each of them decreases.