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 sum of positive and negative peak value called.

Question # 2

In three phase voltage across any two lines is about.

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

At high frequency the value of reactance of capacitor will be.

Question # 5

The peak to peak value of alternating voltage is

Question # 6

If Io is the peak value of current, then its root mean square value is given by

Question # 7

when an inductor comes close to a metallic object, its inductance is.

Question # 8

Which consumes small power.

Question # 9

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 10

In A.C circuit of inductor which one is true

Question # 11

The most common source of an A.C. Voltage is.

Question # 12

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 13

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

Question # 14

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

Question # 15

In case of capacitor, the unit of reactance is

Question # 16

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

Question # 17

In modulation, low frequency signal is known as

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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 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
2 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
3 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
4 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
5 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
6 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
7 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
8 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
9 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
10 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law

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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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