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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  • Total Questions17

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

X1is low for low frequency Fy but Xc is.

Question # 3

The highest value reached by the voltage or current in one cycle is called.

Question # 4

The AC system is preferred to DC system because:

Question # 5

The natural frequency of L.C circuit is equal to

Question # 6

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

Question # 7

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The circuit which compares the two voltages is.

Question # 12

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 13

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 14

At high frequency, the current through a capacitor is

Question # 15

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 16

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 17

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

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16th Chapter

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 AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
3 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
4 The reactance of inductor depends upon
A. L
D. All of the above
5 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
6 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
7 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
8 At resonance frequency, the impedance of RLC series circuit is.
A. Maximum
B. Minimum
C. Zero
D. Infinite
9 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2
10 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    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

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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