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 A.C circuit through a capacitor which one is:

Question # 2

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

Question # 3

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

Question # 4

The phase difference between the current and voltage at resonce is:

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The sum of positive and negative peak value called.

Question # 9

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

Question # 10

The inductive reactance of a coil is direction proportional to.

Question # 11

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

Question # 12

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

Question # 13

Direct current can not flow through.

Question # 14

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

Question # 15

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

Question # 16

The value of capacitive reactance is given by

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 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
2 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
3 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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
4 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
5 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz
6 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
7 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
8 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
9 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
10 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

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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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