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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  • Total Questions17

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

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

Question # 2

In AC system we generate sine wave form because:

Question # 3

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

Question # 4

The value of capacitive reactance is given by

Question # 5

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 6

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

Question # 7

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

Question # 8

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 9

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 10

In Pakistan the frequency of A.C. supply is.

Question # 11

Phase difference between V and I of an A.C through resistor is.

Question # 12

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

Question # 13

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

Question # 14

XL=

Question # 15

Power dissipated in a pure inductor is.

Question # 16

The effective value of any sinusoidal alternating current or voltage is

Question # 17

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

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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 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
2 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
3 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
4 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
5 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
6 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
7 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
8 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
9 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
10 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π

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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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