ELECTRIC CIRCUITS QUIZ

A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

P/3.

√3P.

P.

3P.

TRUE ANSWER : ?
YOUR ANSWER : ?

During charging, the electrolyte of a lead acid battery becomes

diluted with water.

there is no change in electrolyte.

weaker.

stronger.

TRUE ANSWER : ?
YOUR ANSWER : ?

If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

the current remain unaltered.

the current decreases.

the current increases.

the current decreases abruptly.

TRUE ANSWER : ?
YOUR ANSWER : ?

What is Va in the below circuit?

(4R + 10) / 3.

(3R + 10) / 3.

(6R - 10) / 3.

(6R + 10) / 3.

TRUE ANSWER : ?
YOUR ANSWER : ?

For steady state current inductor acts as

Short circuit

Current source

Open circuit

Voltage source

TRUE ANSWER : ?
YOUR ANSWER : ?

For occurrence of resonance which of the following elements are required?

R

L

Both 2 and 3

C

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

Yellow, violet, yellow and silver stripes.

Orange, orange, black and gold stripes.

Red, red, green and silver stripes.

Brown, black, orange and no tolerance band.

TRUE ANSWER : ?
YOUR ANSWER : ?

A capacitor having a mica dielectric εR = 6, a plate area of a 10 inches2 and a separation 0.01 inch. Find the value of C

1.349 F.

1.349 μF.

0 F.

1.349 nF.

TRUE ANSWER : ?
YOUR ANSWER : ?

Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

5 µF

10 µF

160 µF

40 µF

TRUE ANSWER : ?
YOUR ANSWER : ?

Condition for reciprocity in case of ABCD parameters is

AB-CD = 1.

AD-BC = 0.

AB-CD = 0.

AD-BC = 1 .

TRUE ANSWER : ?
YOUR ANSWER : ?

↑