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

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 2

In frequency modulation, the amplitude of carrier waves is

Question # 3

For electromagnetic waves, Maxwell generalized

Question # 4

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

Question # 5

Power dissipated in a pure inductor is.

Question # 6

Electro magnetic waves emitted from radio antenna are.

Question # 7

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 8

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 9

The phase difference between current and voltage in an inductive circuit is.

Question # 10

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

Question # 11

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

Question # 12

The reactance is the ratio of

Question # 13

In three phase voltage across any two lines is about.

Question # 14

Unit of impedance is:

Question # 15

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

Question # 16

The effective value of any sinusoidal alternating current or voltage is

Question # 17

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

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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 peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
2 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
3 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
4 In RLC circuit the energy is dissipated in
A. R only
B. R and L
C. R and C
D. L and C
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
7 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
8 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
9 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
10 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None 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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