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

In three phase voltage across any two lines is about.

Question # 2

Choke consumes extremely small

Question # 3

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

Question # 4

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

Question # 5

The effective value of any sinusoidal alternating current or voltage is

Question # 6

In A.C circuit of inductor which one is true

Question # 7

At high frequency the value of reactance of capacitor will be.

Question # 8

The power factor of RL series circuit is.

Question # 9

In pure capacitor A.C. circuit, the current I and charge q are.

Question # 10

Power dissipation in A.C circuit is expressed as:

Question # 11

Main reason for world wide use of A.C. is

Question # 12

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

Question # 13

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

Question # 14

The resonance frequency is given by:

Question # 15

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

Question # 16

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

Question # 17

In case of A.C. through resistor V and I 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 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
2 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
3 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
4 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
5 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor
6 Xc =
A. 1/2πfc
B. 2πfc
C. 2π/fc
D. fc/2π
7 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
8 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?
A. 4 times
B. 1/4 times
C. 8 times
D. 2 times
9 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
10 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal

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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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