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 a pure inductive A.C. circuit the current.

Question # 2

In chopke coil the resistance XL an resistance R are:

Question # 3

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

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?

Question # 9

An A.C. voltmeter reads 220 V, its peak value will be

Question # 10

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

Question # 11

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

Question # 12

Radio frequency choke is

Question # 13

Xc =

Question # 14

In frequency modulation which factor changed.

Question # 15

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

Question # 16

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 17

At high frequency, the current through a capacitor is

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16th Chapter

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 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
2 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
3 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
4 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
5 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
6 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
7 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
8 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
9 The reactance of inductor depends upon
A. L
D. All of the above
10 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite

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