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

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 2

In RLC circuit the energy is dissipated in

Question # 3

In AC system we generate sine wave form because:

Question # 4

In metal detector, we use.

Question # 5

High frequency radio wave is called as

Question # 6

The resonance frequency is given by:

Question # 7

The phase angle of a series RLC circult at resonant frequency is

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The highest value reached by the voltage or current in one cycle is called.

Question # 12

In chopke coil the resistance XL an resistance R are:

Question # 13

The reactance of inductor depends upon

Question # 14

The phase difference between current and voltage in an inductive circuit is.

Question # 15

Vrms =

Question # 16

The peak to peak value of alternating voltage is

Question # 17

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

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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 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
2 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
3 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
4 In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
5 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
6 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
7 The AC system is preferred to DC system because:
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
8 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
9 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
10 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these

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