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

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

Question # 2

At resonance frequency, the impedance of RLC series circuit is.

Question # 3

An in cudutor may store energy in

Question # 4

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

Question # 5

High frequency radio wave is called as

Question # 6

X1is low for low frequency Fy but Xc is.

Question # 7

A capacitor is perfectly insulator for:

Question # 8

The power factor of RL series circuit is.

Question # 9

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

Question # 10

The reactance is the ratio of

Question # 11

Direct current can not flow through.

Question # 12

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

Question # 13

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

Question # 14

Electro magnetic waves emitted from radio antenna are.

Question # 15

In A.C circuit through a capacitor which one is:

Question # 16

The flow of D.C current is opposed by

Question # 17

The circuit which compares the two voltages 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 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
2 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
3 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
4 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
5 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
6 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
7 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
8 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)
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 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

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    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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