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

In three phase voltage across any two lines is about.

Question # 2

XL=

Question # 3

The effective value of any sinusoidal alternating current or voltage is

Question # 4

Which consumes small power.

Question # 5

The device which allows only the continuous flow of AC through it is.

Question # 6

If Io is the peak value of current, then its root mean square value is given by

Question # 7

The peak value of A.C source is 20 A, then its rms value will be.

Question # 8

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

Question # 9

In three phase A.C supply coils are inclined at an angle of.

Question # 10

For electromagnetic waves, Maxwell generalized

Question # 11

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

Question # 12

The combined effect of resistance and reactance is knows as.

Question # 13

The resonance frequency is given by:

Question # 14

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

Question # 15

Choke consumes extremely small

Question # 16

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

Question # 17

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

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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 effective value of any sinusoidal alternating current or voltage is
D. None of the above
2 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
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 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
5 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
6 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
7 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
8 Power dissipation is a pure inductive or in a pure capacitance circuit is:
A. 106
B. 0
C. 10
D. Maximum
9 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
10 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these

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