ELECTRIC CIRCUITS QUIZ

A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

f0 / 4.

still f0.

2f0.

f0 / 2.

TRUE ANSWER : ?
YOUR ANSWER : ?

The internal resistance of a practical voltage source is considered to be connected in

None of these

parallel.

either parallel or series.

series.

TRUE ANSWER : ?
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Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

1

3.149

0.5

2.56

TRUE ANSWER : ?
YOUR ANSWER : ?

Container of a lead acid battery

ceramics.

celluloid.

molded hard rubber.

any of above.

TRUE ANSWER : ?
YOUR ANSWER : ?

The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

- 1.25

2.5

1

10

TRUE ANSWER : ?
YOUR ANSWER : ?

Dependent source of current and voltage are those which have

independent of any other network variable.

All of these

output dependent on input.

unidirectional characteristic.

TRUE ANSWER : ?
YOUR ANSWER : ?

The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

10 3 μF.

10- 3 μF.

10- 6 μF.

10 6 μF.

TRUE ANSWER : ?
YOUR ANSWER : ?

Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is

5 / 6 Ω.

6 Ω.

5 Ω.

6 / 5 Ω.

TRUE ANSWER : ?
YOUR ANSWER : ?

In Cauer 1st form last element in the network is

Lshunt.

Lseries.

Cshunt.

Cseries.

TRUE ANSWER : ?
YOUR ANSWER : ?

200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

200 Ω.

400 Ω.

4 kΩ.

1 Ω.

TRUE ANSWER : ?
YOUR ANSWER : ?

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