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 phase difference between the current and voltage at resonce is:

Question # 2

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 3

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 4

X1is low for low frequency Fy but Xc is.

Question # 5

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 6

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

Question # 7

An in cudutor may store energy in

Question # 8

Which consumes small power.

Question # 9

The inductive reactance of a coil is direction proportional to.

Question # 10

High frequency radio wave is called as

Question # 11

In AC system we generate sine wave form because:

Question # 12

Unit of impedance is:

Question # 13

The circuit in which current and voltage are in phase, the power factor is:

Question # 14

The condition of resonance is:

Question # 15

In case of capacitor, the unit of reactance is

Question # 16

If Io is the peak value of current, then its root mean square value is given by

Question # 17

In A.C circuit of inductor which one is true

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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 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
2 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
3 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
4 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
5 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
6 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
7 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
8 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
9 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
10 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz

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