CircuitMaster Quiz(Novice)

What is the correct value household supply in INDIA?

• 110 V (DC)

• 230 ± 5% V (DC)

• 230 V (AC)

• (230 ± 5%) V (AC)

Assertion(A) : Commutator collects the current induced in generator.

Reason(R) : Commutator rectifies the induced emf mechanically in case of DC generator

• Both A and R are true and R is the correct explanation of A

• Both A and R are true but R is not the correct explanation of A

• A is true but R is false

• A is false but R is true

Determine Output voltage when V1=V2=1V.

• 0V

• -2V

• 1V

• 2V

If a field of DC Shunt Motor gets opened while running, then

• The speed of motor will be reduced

• The Armature current will be reduced

• The motor will attain dangerously high speed

• The motor will continue to run at constant speed

Transformer ratings are given in____.

• Watt

• kVA

• HP

• kVAR

In R-L circuit, R=2ohm and L=2mH, what is time constant?

• 1ms

• 2ms

• 4ms

• 100ms

Assertion : Two capacitors are charged from the same battery and then connected as shown. A current will flow in anticlockwise direction, as soon as the switch is closed.

Reason: In the steady state, charges on the two capacitors are in the ratio 1:2.

• Both A and R are true and R is the correct explanation of A

• Both A and R are true but R is not the correct explanation of A

• A is true but R is false

• A is false but R is true

The power rating that is indicated on name plate of any motor is?

• Power drawn in kVA

• Gross Power

• Input Power

• Output Power of Shaft

The Potential output of Opamp is ____ times greater than difference in input.

• 100

• 1000

• 100000

• 1000000

Calculate current I1 and I4____

• 1A & 2A

• 2A & 4A

• 3A & 1A

• 4A & 2A