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 velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 2

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

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

The circuit in which current and voltage are in phase, the power factor is:

Question # 5

In chopke coil the resistance XL an resistance R are:

Question # 6

The reactance of inductor depends upon

Question # 7

In three phase voltage across any two lines is about.

Question # 8

In frequency modulation, the amplitude of carrier waves is

Question # 9

The peak value of A.C source is 20 A, then its rms value will be.

Question # 10

An electromagnetic wave goes from air to glass which of the following does not change?

Question # 11

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

Question # 12

The unit of impedance is

Question # 13

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

Question # 14

The circuit which compares the two voltages is.

Question # 15

In an LRC circiut, the capacitance is made one-fourth, when an resonance . Then what should be change in inductance, so that the circuit remain in resonance?

Question # 16

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

Question # 17

Impedance is denoted by:

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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 Which consumes small power.
A. Inductor
B. Resistor
C. Motor
D. All of these
2 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
3 The phase difference between the current and voltage at resonce is:
A. 0
B. π
C. -π
D. π/2
4 The power factor of RL series circuit is.
A. 0
B. 1
C. Less then 1
D. More than one
5 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
6 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
7 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
8 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
9 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
10 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential

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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

    atiyahassan

    20 Nov 2017

    aoa ....how to download it

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  • zia

    zia

    28 Jun 2016

    thankx

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