ELECTRIC CIRCUITS QUIZ

A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

1.5 μF.

0.015 F.

15 μF.

1.5 F.

TRUE ANSWER : ?
YOUR ANSWER : ?

While Thevenizing a circuit between two terminals, VTH is equal to

net voltage available in the circuit.

open circuit terminal voltage .

none of these.

short circuit terminal voltage.

TRUE ANSWER : ?
YOUR ANSWER : ?

You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

two in parallel and one in series.

three in parallel.

three in series.

two in parallel.

TRUE ANSWER : ?
YOUR ANSWER : ?

A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

0.

F.

εr/F.

F εr.

TRUE ANSWER : ?
YOUR ANSWER : ?

In 2 port network Z12 = Z21 indicates which property

linear.

unilateral.

bilateral.

non linear.

TRUE ANSWER : ?
YOUR ANSWER : ?

In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

- 9.59.

- 6.28.

9.59.

6.98.

TRUE ANSWER : ?
YOUR ANSWER : ?

When the battery is being charged, the terminal voltage decreases with

none of these.

increasing temperature.

increasing charging rate.

increasing state of charge.

TRUE ANSWER : ?
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Given network is having N nodes and B branches, then number of twigs are

B - N - 1.

B - N + 1.

N - 1.

N.

TRUE ANSWER : ?
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The value of supply voltage for 400 W, 4 Ω load is

200 V.

400 V.

20 V.

40 V.

TRUE ANSWER : ?
YOUR ANSWER : ?

Find the Z parameters of the circuit shown in figure.

Z11 = 1; Z12 = 1; Z21 = 1; Z22 = 1

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

Z11 = 3; Z12 = 3; Z21 = 3; Z22 = 3

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

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