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

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Question # 1

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 2

Resistance of choke is

Question # 3

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 4

At resonance, the behavior of R-L-C series circuit is.

Question # 5

In metal detector, we use.

Question # 6

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

Question # 7

Impedance is denoted by:

Question # 8

The device which allows only the continuous flow of AC through it is.

Question # 9

X1is low for low frequency Fy but Xc is.

Question # 10

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 11

In RLC circuit the energy is dissipated in

Question # 12

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

Question # 13

The peak to peak value of alternating voltage is

Question # 14

In case of A.C. through resistor V and I are

Question # 15

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

Question # 16

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

Question # 17

The reactance is the ratio of

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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 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
2 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
3 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
4 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
5 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
6 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
7 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
8 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
9 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
10 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V

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