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

In LR circiut which one of the following statements is correct?

Question # 2

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

Question # 3

Xc =

Question # 4

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 5

The main use of A.C is

Question # 6

In frequency modulation which factor changed.

Question # 7

During each cycle A.C. voltage reaches a peak value.

Question # 8

In case of A.C. through resistor V and I are

Question # 9

Main reason for world wide use of A.C. is

Question # 10

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

Question # 11

Choke consumes extremely small

Question # 12

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

Question # 13

The combined effect of resistance and reactance is knows as.

Question # 14

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

Question # 15

The peak to peak value of alternating voltage is

Question # 16

The A.M. transmission frequencies range from

Question # 17

The circuit in which current and voltage are in phase, the power factor 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 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
2 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
3 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
4 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
5 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
6 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
7 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
8 In purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
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 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

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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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