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 circuit which compares the two voltages is.

Question # 2

The inductive reactance of a coil is direction proportional to.

Question # 3

The peak to peak value of alternating voltage is

Question # 4

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

Question # 5

The basic circuit element in A.C. circuit which controls current.

Question # 6

The main use of A.C is

Question # 7

A resistance frequency the impedance of RLC parallel circuit is.

Question # 8

Power dissipation in A.C circuit is expressed as:

Question # 9

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

Question # 10

The device which allows only the flow of D.C. is.

Question # 11

During each cycle A.C. voltage reaches a peak value.

Question # 12

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 13

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

Question # 14

In AC system we generate sine wave form because:

Question # 15

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

Question # 16

The reactance of inductor depends upon

Question # 17

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance 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 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)
2 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
3 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
4 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 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
7 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
8 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
9 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
10 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these

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