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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  • Total Questions17

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Physics FSC Part 2 Chapter 16 Online MCQ's Test

00:00
Question # 1

The effective value of any sinusoidal alternating current or voltage is

Question # 2

The reactance is the ratio of

Question # 3

The wave form of alternating voltage is a

Question # 4

The device which allows only the continuous flow of AC through it is.

Question # 5

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

Question # 6

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

Question # 7

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

Question # 8

The main use of A.C is

Question # 9

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

Question # 10

Choke consumes extremely small

Question # 11

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

Question # 12

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

Question # 13

A resistance frequency the impedance of RLC parallel circuit is.

Question # 14

Which consumes small power.

Question # 15

The combined effect of resistance and reactance is knows as.

Question # 16

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

Question # 17

The most common source of an A.C. Voltage 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 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
2 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
3 In pure capacitor A.C. circuit, the current I and charge q are.
A. In phase
B. Out of phase
C. Parallel to each other
D. None of above
4 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
5 The mean value of A.C. in a cycle is.
A. 1
B. 0
C. I2
D. Nil
6 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
7 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
8 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
9 In A.C circuit through a capacitor which one is:
A. Current leads voltage by 90
B. Current lags behind voltage by 90
C. Both will be in phase
D. None of above 
10 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator

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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

    20 Nov 2017

    aoa ....how to download it

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    zia

    28 Jun 2016

    thankx

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