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

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

Question # 2

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

Question # 3

In frequency modulation which factor changed.

Question # 4

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 5

The A.M. transmission frequencies range from

Question # 6

The reactance of inductor depends upon

Question # 7

Direct current can not flow through.

Question # 8

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 9

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 10

In three phase voltage across any two lines is about.

Question # 11

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

Question # 12

The main use of A.C is

Question # 13

The peak to peak value of alternating voltage is

Question # 14

The inductive reactance of a coil is direction proportional to.

Question # 15

In Series resonance circuit the impedance of circuit art resonance frequency, is

Question # 16

In frequency modulation, the amplitude of carrier waves is

Question # 17

Electro magnetic waves emitted from radio antenna are.

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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 highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
2 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
3 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
A. Half
B. Two
C. Four times
D. One fourth
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 modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
6 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
7 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
8 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
9 Average value of current and voltage over a complete cycle is.
A. Positive
B. Negative
C. Zero
D. Infinite
10 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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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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