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

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Question # 1

The expression P = VI hold only when current and voltage are.

Question # 2

Xc =

Question # 3

In case of A.C. through resistor V and I are

Question # 4

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 5

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

Question # 6

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

Question # 7

Unit of impedance is:

Question # 8

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

Question # 9

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

Question # 10

The power factor of RL series circuit is.

Question # 11

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 12

In case of capacitor, the unit of reactance is

Question # 13

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 14

The A.M. transmission frequencies range from

Question # 15

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

Question # 16

High frequency radio wave is called as

Question # 17

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It 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 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
2 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
3 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
4 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
5 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
6 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
7 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
8 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
9 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
10 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above

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