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

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

Question # 2

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

Question # 3

The value of capacitive reactance is given by

Question # 4

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

Question # 5

The A.M. transmission frequencies range from

Question # 6

The inductive reactance of a coil is direction proportional to.

Question # 7

The internal resistance of a capacitor is called:

Question # 8

In RLC circuit the energy is dissipated in

Question # 9

In metal detector, we use.

Question # 10

Power dissipated in a pure inductor is.

Question # 11

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

Question # 12

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

Question # 13

Which consumes small power.

Question # 14

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

Question # 15

The peak to peak value of alternating voltage is

Question # 16

X1is low for low frequency Fy but Xc is.

Question # 17

when an inductor comes close to a metallic object, its inductance is.

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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 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
2 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
3 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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
4 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10∘
D. Maximum
5 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
6 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
7 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
8 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
9 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

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