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

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

Question # 2

The circuit in which current and voltage are in phase, the power factor is:

Question # 3

The slope of q-t curve at any instant of time gives.

Question # 4

The wave form of alternating voltage is a

Question # 5

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 6

At high frequency, the current through a capacitor is

Question # 7

Electro magnetic waves emitted from radio antenna are.

Question # 8

Direct current can not flow through.

Question # 9

In Pakistan the frequency of A.C. supply is.

Question # 10

In LR circiut which one of the following statements is correct?

Question # 11

The resonance frequency is given by:

Question # 12

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 13

X1is low for low frequency Fy but Xc is.

Question # 14

In case of capacitor, the unit of reactance is

Question # 15

The electromagnetic spectrum contains

Question # 16

The unit of impedance is

Question # 17

Radio frequency choke 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 velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
2 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
3 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
4 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
5 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
6 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
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 combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
9 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
10 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm

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