2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

ICS Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 16 Online MCQ's Test"

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The reactance of inductor depends upon

Question # 2

The power factor of RL series circuit is.

Question # 3

The main use of A.C is

Question # 4

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 5

Choke consumes extremely small

Question # 6

Which consumes small power.

Question # 7

In three phase A.C supply coils are inclined at an angle of.

Question # 8

At high frequency the value of reactance of capacitor will be.

Question # 9

The phase difference between the current and voltage at resonce is:

Question # 10

The peak to peak value of alternating voltage is

Question # 11

During each cycle A.C. voltage reaches a peak value.

Question # 12

Power dissipated in a pure inductor is.

Question # 13

The most common source of an A.C. Voltage is.

Question # 14

High frequency radio wave is called as

Question # 15

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 16

The effective value of any sinusoidal alternating current or voltage is

Question # 17

Unit of impedance is:

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ICS Part 2 Physics Chapter 16 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
2 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
3 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
4 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
5 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
6 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
7 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
8 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
9 The reactance of inductor depends upon
A. L
D. All of the above
10 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these

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