Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

FSC Part 2 Physics
Chapter 16 Test

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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

The condition of resonance is:

Question # 2

In metal detector, we use.

Question # 3

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

Question # 4

A resistance frequency the impedance of RLC parallel circuit is.

Question # 5

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

Question # 6

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

Question # 7

The combined effect of resistance and reactance in circuit is called:

Question # 8

The value of capacitive reactance is given by

Question # 9

In case of capacitor, the unit of reactance is

Question # 10

In A.C circuit of inductor which one is true

Question # 11

Choke consumes extremely small

Question # 12

In RLC circuit the energy is dissipated in

Question # 13

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

Question # 14

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

Question # 15

X1is low for low frequency Fy but Xc is.

Question # 16

The main reason for world wide use of A.C is because:

Question # 17

In A.C circuit through a capacitor which one is:

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FSC 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 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
2 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
3 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
4 The reactance of inductor depends upon
A. L
D. All of the above
5 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
6 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
7 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
8 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
9 An alternating quantity (voltage or current) is completely known if we know its:
A. Maximum
B. Frequency and phase
C. Effective value
D. Both (a) & (b)
10 In a pure inductive A.C. circuit the current.
A. Lags behind voltage by 90 o
B. Leads the voltage by 90 o
C. In phase with voltage
D. Leads the voltage by 270 o

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