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 circuit which compares the two voltages is.

Question # 2

In three phase voltage across any two lines is about.

Question # 3

Power dissipation in A.C circuit is expressed as:

Question # 4

A capacitor is perfectly insulator for:

Question # 5

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

Question # 6

The natural frequency of L.C circuit is equal to

Question # 7

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

Question # 8

The effective value of any sinusoidal alternating current or voltage is

Question # 9

Resistance of choke is

Question # 10

In AC system we generate sine wave form because:

Question # 11

Power dissipated in a pure inductor is.

Question # 12

Radio frequency choke is

Question # 13

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 # 14

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

Question # 15

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

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

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

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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 X1is low for low frequency Fy but Xc is.
A. Zero
B. Low
C. High
D. Same is H
2 The phase difference between current and voltage in an inductive circuit is.
A. zero
B. 90 o
C. 180 o
D. 45o
3 The inductive reactance of a coil is direction proportional to.
A. Inductance
B. Resistance
C. Frequency of A.C.
D. Both frequency of A.C. and inductance
4 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
5 The peak value of alternating current is 5√2 A. The mean square value of current will be:
A. 5A
B. 2.5A
C. 5√2A
D. 52
6 The unit of impedance is.
A. Henry
B. Hertz
C. Ampere
D. Ohm
7 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
8 The internal resistance of a capacitor is called:
A. Impedance
B. Resistance
C. Reactance
D. Conductance
9 The flow of D.C current is opposed by
A. Resistor
B. Induction
C. Capacitor
D. All of these
10 The sum of positive and negative peak value called.
A. R.M.S. value
B. P-P value
C. Peak value
D. Average value

Test Questions

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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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