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

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

Question # 2

The unit of impedance is

Question # 3

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

Question # 4

The reactance is the ratio of

Question # 5

An in cudutor may store energy in

Question # 6

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

Question # 7

The circuit which compares the two voltages is.

Question # 8

In three phase voltage across any two lines is about.

Question # 9

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

Question # 10

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

Question # 11

The mean value of A.C. in a cycle is.

Question # 12

The condition of resonance is:

Question # 13

The reactance of inductor depends upon

Question # 14

The A.M. transmission frequencies range from

Question # 15

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

Question # 16

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

Question # 17

Power dissipation in A.C circuit is expressed as:

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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 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
2 The reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms
3 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
4 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value
5 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
6 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
7 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=
8 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
9 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
10 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite

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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

    28 Jun 2016

    thankx

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