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

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Question # 1

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

Question # 2

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 3

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

Question # 4

Direct current can not flow through.

Question # 5

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

Question # 6

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

Question # 7

An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately

Question # 8

In modulation, low frequency signal is known as

Question # 9

The unit of impedance is

Question # 10

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

Question # 11

During each cycle A.C. voltage reaches a peak value.

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

For electromagnetic waves, Maxwell generalized

Question # 16

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 17

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

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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 purely resistive A.C circuit, instantaneous value of voltage and current:
A. Current lags behind voltage
B. Current leads voltage by π/2
C. Both are in Phase
D. Voltage leads current by Pase θ=π/2
2 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry
3 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
4 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
5 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
6 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
7 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
8 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
9 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
10 An inductor of 1 henry inductance has a reactance 500 ohms, then the frequency required is approximately
A. 50 Hz
B. 100 Hz
C. 80 Hz
D. 120 Hz

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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  • Rimsha

    Rimsha

    20 Oct 2019

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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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