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 RLC circuit the energy is dissipated in

Question # 2

In frequency modulation which factor changed.

Question # 3

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

Question # 4

At high frequency, the current through a capacitor is

Question # 5

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

Question # 6

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 7

The basic circuit element in A.C. circuit which controls current.

Question # 8

The peak to peak value of alternating voltage is

Question # 9

Resistance of choke is

Question # 10

The resonance frequency is given by:

Question # 11

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

Question # 12

The reactance is the ratio of

Question # 13

The device which allows only the flow of D.C. is.

Question # 14

Phase difference between V and I of an A.C through resistor is.

Question # 15

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

Question # 16

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

Question # 17

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

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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 Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
2 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
3 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
4 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
5 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
6 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
7 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
8 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
9 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
10 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase

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