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

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Unit of impedance is:

Question # 6

The circuit which compares the two voltages is.

Question # 7

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

Question # 8

Resistance of choke is

Question # 9

Direct current can not flow through.

Question # 10

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

Question # 11

The inductive reactance of a coil is direction proportional to.

Question # 12

In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.

Question # 13

The power factor of RL series circuit is.

Question # 14

The electromagnetic spectrum contains

Question # 15

In A.C circuit through a capacitor which one is:

Question # 16

Vrms =

Question # 17

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

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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 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
2 The device which allows only the continuous flow of AC through it is.
A. Inductor
B. Battery
C. Thermistor
D. Capacitor
3 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
4 In frequency modulation, the amplitude of carrier waves is
A. Increases
B. Remains constant
C. Decreases
D. None of these
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 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 
7 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
8 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
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 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q

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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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