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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  • Total Questions17

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Physics ICS Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

In frequency modulation, the amplitude of carrier waves is

Question # 2

Electro magnetic waves emitted from radio antenna are.

Question # 3

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

Question # 4

The effective value of any sinusoidal alternating current or voltage is

Question # 5

The inductive reactance of a coil is direction proportional to.

Question # 6

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

Question # 7

In A.C circuit through a capacitor which one is:

Question # 8

In a pure inductive A.C. circuit the current.

Question # 9

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 10

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

Question # 11

Main reason for world wide use of A.C. is

Question # 12

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

Question # 13

The AC system is preferred to DC system because:

Question # 14

In LR circiut which one of the following statements is correct?

Question # 15

The internal resistance of a capacitor is called:

Question # 16

The peak value of A.C source is 20 A, then its rms value will be.

Question # 17

Electron vibrating 94,000 times each second will produce radio waves of frequency.

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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 power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
2 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
3 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
4 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
5 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
6 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
7 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
8 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
9 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
10 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π

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