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 resonance frequency is given by:

Question # 2

In A.C circuit of inductor which one is true

Question # 3

The power factor of RL series circuit is.

Question # 4

In three phase voltage across any two lines is about.

Question # 5

In RLC circuit the energy is dissipated in

Question # 6

The reactance of inductor depends upon

Question # 7

The combined effect of resistance and reactance is knows as.

Question # 8

The slope of q-t curve at any instant of time gives.

Question # 9

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 10

Average value of current and voltage over a complete cycle is.

Question # 11

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 12

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

Question # 13

X1is low for low frequency Fy but Xc is.

Question # 14

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

Question # 15

High frequency radio wave is called as

Question # 16

The A.M. transmission frequencies range from

Question # 17

In a pure inductive A.C. circuit the current.

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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 inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
2 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
3 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
4 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
5 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
6 The phase angle of a series RLC circult at resonant frequency is
A. 1/2
B. sigma
C. Zero
D. sigma /4
7 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
8 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
9 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
10 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

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