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

Radio frequency choke is

Question # 2

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

Question # 3

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

Question # 4

In case of capacitor, the unit of reactance is

Question # 5

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

Question # 6

The wave form of alternating voltage is a

Question # 7

The unit of impedance is.

Question # 8

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

Question # 9

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

Question # 10

In chopke coil the resistance XL an resistance R are:

Question # 11

For electromagnetic waves, Maxwell generalized

Question # 12

The unit of impedance is

Question # 13

The mean value of A.C. in a cycle is.

Question # 14

If Io is the peak value of current, then its root mean square value is given by

Question # 15

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

Question # 16

In case of A.C. through resistor V and I are

Question # 17

In frequency modulation, the amplitude of carrier waves 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
1 100 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
2 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
3 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
4 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
5 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
6 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
7 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
8 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
9 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
10 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero

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