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

X1is low for low frequency Fy but Xc is.

Question # 2

In three phase voltage across any two lines is about.

Question # 3

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

Question # 4

Radio frequency choke is

Question # 5

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

Question # 6

In metal detector, we use.

Question # 7

The peak value of A.C source is 20 A, then its rms value will be.

Question # 8

Power dissipation in A.C circuit is expressed as:

Question # 9

The resonance frequency is given by:

Question # 10

A resistance frequency the impedance of RLC parallel circuit is.

Question # 11

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

Question # 12

The basic circuit element in A.C. circuit which controls current.

Question # 13

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

Question # 14

Average value of current and voltage over a complete cycle is.

Question # 15

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

Question # 16

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

Question # 17

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance 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 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
2 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
3 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
4 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
5 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
6 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
7 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ
8 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
9 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
10 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth

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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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