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

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Question # 1

Xc =

Question # 2

The unit of impedance is

Question # 3

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

Question # 4

An in cudutor may store energy in

Question # 5

The device which allows only the flow of D.C. is.

Question # 6

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

Question # 7

X1is low for low frequency Fy but Xc is.

Question # 8

At high frequency, the current through a capacitor is

Question # 9

An alternating quantity (voltage or current) is completely known if we know its:

Question # 10

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

Question # 11

In RLC circuit the energy is dissipated in

Question # 12

In A.C circuit of inductor which one is true

Question # 13

The electromagnetic spectrum contains

Question # 14

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

Question # 15

In LR circiut which one of the following statements is correct?

Question # 16

In frequency modulation, the amplitude of carrier waves is

Question # 17

The flow of D.C current is opposed by

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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 combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
2 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
3 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
4 The condition of resonance is:
A. XL = 1/2 Xc
B. XL = Xc
C. Xc = 4x2
D. None of above
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 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
7 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
8 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
9 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
10 Direct current can not flow through.
A. Inductor
B. Resistor
C. Transistor
D. Capacitor

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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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