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

Vrms =

Question # 2

Resistance of choke is

Question # 3

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

Question # 4

The wave form of alternating voltage is a

Question # 5

A capacitor is perfectly insulator for:

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

In A.C circuit of inductor which one is true

Question # 10

In three phase A.C supply coils are inclined at an angle of.

Question # 11

High frequency radio wave is called as

Question # 12

The effective value of any sinusoidal alternating current or voltage is

Question # 13

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

Question # 14

In three phase voltage across any two lines is about.

Question # 15

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

Question # 16

In metal detector, we use.

Question # 17

The mean value of A.C. in a cycle 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 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
2 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
3 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
4 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)
5 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
6 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
7 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
8 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
9 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
10 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

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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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