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

Choke consumes extremely small

Question # 2

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

Question # 3

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

Question # 4

The combined effect of resistance and reactance is knows as.

Question # 5

In a pure inductive A.C. circuit the current.

Question # 6

The phase difference between the current and voltage at resonce is:

Question # 7

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

Question # 8

The power factor of RL series circuit is.

Question # 9

The main use of A.C is

Question # 10

At high frequency, the current through a capacitor is

Question # 11

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

Question # 12

Power dissipation in A.C circuit is expressed as:

Question # 13

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

Question # 14

At resonance frequency, the impedance of RLC series circuit is.

Question # 15

The value of capacitive reactance is given by

Question # 16

The mean value of A.C. in a cycle is.

Question # 17

The highest value reached by the voltage or current in one cycle is called.

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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 peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
2 The effective value of any sinusoidal alternating current or voltage is
D. None of the above
3 The most common source of an A.C. Voltage is.
A. Motor
B. Cell
C. Generator
D. Thermo couple
4 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
5 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
6 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
7 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
8 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
9 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
10 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance

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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

    zia

    28 Jun 2016

    thankx

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