Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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Physics FSC 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 flow of D.C current is opposed by

Question # 3

In frequency modulation, the amplitude of carrier waves is

Question # 4

At high frequency, the current through a capacitor is

Question # 5

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

Question # 6

The combined effect of resistance and reactance in circuit is called:

Question # 7

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

Question # 8

In modulation, low frequency signal is known as

Question # 9

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

Question # 10

The natural frequency of L.C circuit is equal to

Question # 11

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

Question # 12

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

Question # 13

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 14

In A.C circuit of inductor which one is true

Question # 15

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

Question # 16

At resonance frequency, the impedance of RLC series circuit is.

Question # 17

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

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FSC 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 combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
2 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
3 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
4 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
7 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
8 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
9 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
10 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve

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