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

The flow of D.C current is opposed by

Question # 2

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

Question # 3

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

Question # 4

In modulation, low frequency signal is known as

Question # 5

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

Question # 6

The value of capacitive reactance is given by

Question # 7

In A.C circuit of inductor which one is true

Question # 8

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

Question # 9

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

Question # 10

The resonance frequency is given by:

Question # 11

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 12

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

Question # 13

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

Question # 14

For electromagnetic waves, Maxwell generalized

Question # 15

The reactance is the ratio of

Question # 16

SI unit of reactance is.

Question # 17

In frequency modulation which factor changed.

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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 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
2 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
3 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
4 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
5 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)
6 In Pakistan the frequency of A.C. supply is.
A. 50 Hz
B. 60 Hz
C. 45 Hz
D. 70 Hz
7 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
8 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
9 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
10 Power dissipation in A.C circuit is expressed as:
A. P =Irms x Vrms Sinθ
B. IxVCosθ
C. IrmsxVrmsCosθ
D. Irms x Vrms Sin2θ

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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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