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

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

Question # 2

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

Question # 3

The phase angle of a series RLC circult at resonant frequency is

Question # 4

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

Question # 5

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

Question # 6

The reactance of inductor depends upon

Question # 7

In A.C circuit of inductor which one is true

Question # 8

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

Question # 9

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

Question # 10

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 11

In RLC circuit the energy is dissipated in

Question # 12

The circuit which compares the two voltages is.

Question # 13

Which consumes small power.

Question # 14

The main reason for world wide use of A.C is because:

Question # 15

Power dissipated in a pure inductor is.

Question # 16

The reactance is the ratio of

Question # 17

In purely resistive A.C circuit, instantaneous value of voltage and current:

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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 wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
2 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
3 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
4 Main reason for world wide use of A.C. is
A. It is cheaper
B. Transmitted
C. Botha a and b
D. Reaches in short time
5 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o
6 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
7 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
8 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
9 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
10 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H

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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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