ELECTRIC CIRCUITS QUIZ

The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is

-2 V.

1 V.

-1 V.

2 V.

TRUE ANSWER : ?
YOUR ANSWER : ?

Internal resistance of ideal voltage source is

100 ohms

zero

infinite

finite

TRUE ANSWER : ?
YOUR ANSWER : ?

The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

0.35 mA.

0.25 mA.

1 mA.

0.5 mA.

TRUE ANSWER : ?
YOUR ANSWER : ?

Nodal analysis can be applied for

both planar and non planar networks.

non planar networks.

planar networks.

neither planar and non planar networks.

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YOUR ANSWER : ?

Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system?

YBR.

RBY.

RYB.

BYR.

TRUE ANSWER : ?
YOUR ANSWER : ?

Condition of reciprocity in Y-parameter representation is

Y11 = Y22.

Y12 = Y21.

Y11 = Y12.

Y12 = Y22.

TRUE ANSWER : ?
YOUR ANSWER : ?

If a function is shifted by 'T', then it is correctly represented as

f (t) u (t).

f (t-T) u (t-T).

f (t-T) u (t).

f (t) u (t-T).

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of following capacitor will have least value of breakdown voltage?

Paper.

Ceramic.

Mica.

Electrolytic.

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YOUR ANSWER : ?

If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

50 Hz.

150 Hz.

0 Hz.

100 Hz.

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the value of charge of an electron?

1.6022 × 10-8 Coulomb

1.6022 × 10-27 Coulomb

1.6022 × 10-19 Coulomb

1.6022 × 10-7 Coulomb

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YOUR ANSWER : ?

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