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 A.C supply coils are inclined at an angle of.

Question # 2

Choke consumes extremely small

Question # 3

Impedance is denoted by:

Question # 4

The unit of impedance is.

Question # 5

A capacitor is perfectly insulator for:

Question # 6

During each cycle A.C. voltage reaches a peak value.

Question # 7

The resonance frequency is given by:

Question # 8

A resistance frequency the impedance of RLC parallel circuit is.

Question # 9

The natural frequency of L.C circuit is equal to

Question # 10

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

Question # 11

The value of capacitive reactance is given by

Question # 12

At resonance, the behavior of R-L-C series circuit is.

Question # 13

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

Question # 14

Phase difference between V and I of an A.C through resistor is.

Question # 15

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

Question # 16

Direct current can not flow through.

Question # 17

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

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16th Chapter

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 highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
2 The reactance of inductor depends upon
A. L
D. All of the above
3 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
4 If Vrms be the root mean square value of emf then its peak to peak value is given by
5 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
6 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
7 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
8 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
9 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
10 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these

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