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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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

The phase difference between current and voltage in an inductive circuit is.

Question # 2

High frequency radio wave is called as

Question # 3

At resonance frequency, the impedance of RLC series circuit is.

Question # 4

The power factor of RL series circuit is.

Question # 5

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

Question # 6

The reactance of inductor depends upon

Question # 7

The condition of resonance is:

Question # 8

The circuit which compares the two voltages is.

Question # 9

The electromagnetic spectrum contains

Question # 10

In frequency modulation, the amplitude of carrier waves is

Question # 11

Choke consumes extremely small

Question # 12

The main use of A.C is

Question # 13

A capacitor is perfectly insulator for:

Question # 14

The circuit in which current and voltage are in phase, the power factor is:

Question # 15

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

Question # 16

The phase angle of a series RLC circult at resonant frequency is

Question # 17

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

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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 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
2 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
3 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
4 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
5 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
6 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
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 frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
9 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
10 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

    I am rimsha from kabirwala l am not belong to Lahore plz correct my city name

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  • atiyahassan

    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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