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

Question # 2

Electro magnetic waves emitted from radio antenna are.

Question # 3

The phase difference between current and voltage in an inductive circuit is.

Question # 4

The resonance frequency is given by:

Question # 5

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

Question # 6

The power factor of RL series circuit is.

Question # 7

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

Question # 8

The peak value of alternating current is 5√2 A. The mean square value of current will be:

Question # 9

In frequency modulation which factor changed.

Question # 10

In case of capacitor, the unit of reactance is

Question # 11

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 12

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

Question # 13

The wave form of alternating voltage is a

Question # 14

The condition of resonance is:

Question # 15

Radio frequency choke is

Question # 16

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

Question # 17

The expression P = VI hold only when current and voltage 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 In case of capacitor, the unit of reactance is
A. Farad
B. Ohm
C. Newton
D. All of these
2 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
3 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
4 In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.
A. Maximum
B. Minimum
C. Zero
D. Negative
5 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
6 100 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
7 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
8 The combined effect of resistance and reactance is knows as.
A. Inductance
B. Conductance
C. Resistance
D. Impedance
9 The peak value of A.C source is 20 A, then its rms value will be.
A. 14.1 A
B. 10 A
C. 20 A
D. 28.2 A
10 The expression P = VI hold only when current and voltage are.
A. In phase
B. Out of phase
C. At right angle to each other
D. At angle of 120 o

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    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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