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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 16 Online MCQ's Test"

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

Main reason for world wide use of A.C. is

Question # 2

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

The resonance frequency is given by:

Question # 5

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

Question # 6

The AC system is preferred to DC system because:

Question # 7

The effective value of any sinusoidal alternating current or voltage is

Question # 8

Which consumes small power.

Question # 9

The circuit which compares the two voltages is.

Question # 10

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

Question # 11

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

Question # 12

In frequency modulation, the amplitude of carrier waves is

Question # 13

A resistance frequency the impedance of RLC parallel circuit is.

Question # 14

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

Question # 15

The expression P = VI hold only when current and voltage are.

Question # 16

The reactance of inductor depends upon

Question # 17

when an inductor comes close to a metallic object, its inductance 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 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor
2 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
3 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
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 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
6 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
7 The natural frequency of L.C circuit is equal to
8 The electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
9 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
10 The reactance of inductor depends upon
A. L
D. All of the 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

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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