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

00:00
Question # 1

Power dissipation in A.C circuit is expressed as:

Question # 2

An A.C. voltmeter reads 220 V, its peak value will be

Question # 3

High frequency radio wave is called as

Question # 4

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

Question # 5

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 6

The basic circuit element in A.C. circuit which controls current.

Question # 7

In A.C circuit of inductor which one is true

Question # 8

Direct current can not flow through.

Question # 9

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

Question # 10

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

Question # 11

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

Question # 12

The wave form of alternating voltage is a

Question # 13

Xc =

Question # 14

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

Question # 15

In chopke coil the resistance XL an resistance R are:

Question # 16

An alternating quantity (voltage or current) is completely known if we know its:

Question # 17

The value of capacitive reactance is given by

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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 A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
2 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
3 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
4 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
5 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
6 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
7 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
8 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
9 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
10 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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