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 highest value reached by the voltage or current is one cycle is called:

Question # 2

In metal detector, we use.

Question # 3

The value of capacitive reactance is given by

Question # 4

High frequency radio wave is called as

Question # 5

In modulation, low frequency signal is known as

Question # 6

The internal resistance of a capacitor is called:

Question # 7

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

Question # 8

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

Question # 9

The reactance is the ratio of

Question # 10

In frequency modulation, the amplitude of carrier waves is

Question # 11

The peak to peak value of alternating voltage is

Question # 12

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

Question # 13

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

Question # 14

At high frequency, the current through a capacitor is

Question # 15

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 16

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

Question # 17

An electromagnetic wave goes from air to glass which of the following does not change?

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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 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
2 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
3 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
4 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
5 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
6 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
7 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
8 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
9 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
10 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52

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