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

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

Question # 2

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

Question # 3

The natural frequency of L.C circuit is equal to

Question # 4

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

Question # 5

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

Question # 6

The peak to peak value of alternating voltage is

Question # 7

Electro magnetic waves emitted from radio antenna are.

Question # 8

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

Question # 9

Which consumes small power.

Question # 10

A resistance frequency the impedance of RLC parallel circuit is.

Question # 11

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

Question # 12

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

Question # 13

In modulation, low frequency signal is known as

Question # 14

The main use of A.C is

Question # 15

The main reason for world wide use of A.C is because:

Question # 16

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

Question # 17

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

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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 natural frequency of L.C circuit is equal to
2 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
3 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
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 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
6 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
7 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
8 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
9 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
10 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite

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