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

The combined effect of resistance and reactance is knows as.

Question # 2

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

Question # 3

The slope of q-t curve at any instant of time gives.

Question # 4

when an inductor comes close to a metallic object, its inductance is.

Question # 5

If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.

Question # 6

Electro magnetic waves emitted from radio antenna are.

Question # 7

In frequency modulation, the amplitude of carrier waves is

Question # 8

The circuit which compares the two voltages is.

Question # 9

In modulation, low frequency signal is known as

Question # 10

Radio frequency choke is

Question # 11

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

Question # 12

The main use of A.C is

Question # 13

The value of capacitive reactance is given by

Question # 14

Xc =

Question # 15

In case of capacitor, the unit of reactance is

Question # 16

A resistance frequency the impedance of RLC parallel circuit is.

Question # 17

In RLC circuit the energy is dissipated in

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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 basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
2 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
3 In A.C circuit of inductor which one is true
A. Voltage leads current by phase angle π/2
B. Voltage lags current by π/2
C. Current leads voltage by π/2
D. Both remain in phase
4 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
5 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
6 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
7 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
8 A capacitor is perfectly insulator for:
A. Direct current
B. Alternating current
C. Direct as well as alternating current
D. None of these
9 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
10 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o

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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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