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

00:00
Question # 1

The main use of A.C is

Question # 2

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 3

The AC system is preferred to DC system because:

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 8

Impedance is denoted by:

Question # 9

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

Question # 10

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 11

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

Question # 12

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

Question # 13

The electromagnetic spectrum contains

Question # 14

In frequency modulation, the amplitude of carrier waves is

Question # 15

Unit of impedance is:

Question # 16

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

Question # 17

The unit of 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 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
2 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
3 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
4 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
5 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
6 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
7 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
8 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
9 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
10 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite

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