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

Power dissipated in a pure inductor is.

Question # 2

Impedance is denoted by:

Question # 3

An alternating quantity (voltage or current) is completely known if we know its:

Question # 4

A capacitor is perfectly insulator for:

Question # 5

The sum of positive and negative peak value called.

Question # 6

In RLC circuit the energy is dissipated in

Question # 7

The phase difference between current and voltage in an inductive circuit is.

Question # 8

The inductive reactance of a coil is direction proportional to.

Question # 9

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 10

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 # 11

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

Question # 12

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

Question # 13

Resistance of choke is

Question # 14

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

Question # 15

In A.C circuit through a capacitor which one is:

Question # 16

The circuit which compares the two voltages is.

Question # 17

The condition of resonance 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 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
2 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
3 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
4 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
5 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
6 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
7 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
8 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
9 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
10 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator

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