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

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Question # 1

The wave form of alternating voltage is a

Question # 2

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

Question # 3

The circuit in which current and voltage are in phase, the power factor is:

Question # 4

Xc =

Question # 5

The unit of impedance is.

Question # 6

Impedance is denoted by:

Question # 7

Resistance of choke is

Question # 8

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

Question # 9

An alternating quantity (voltage or current) is completely known if we know its:

Question # 10

For electromagnetic waves, Maxwell generalized

Question # 11

An A.C. voltmeter reads 220 V, its peak value will be

Question # 12

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

Question # 13

The unit of impedance is

Question # 14

In case of A.C. through resistor V and I are

Question # 15

In modulation, low frequency signal is known as

Question # 16

During each cycle A.C. voltage reaches a peak value.

Question # 17

In pure capacitor A.C. circuit, the current I and charge q are.

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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 combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
2 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
3 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
4 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
5 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
6 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
7 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
8 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
9 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
10 The circuit in which current and voltage are in phase, the power factor is:
A. Zero
B. 1
C. -1
D. 2

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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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