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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Physics FSC Part 2 Chapter 16 Online MCQ's Test

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Question # 1

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

Question # 2

In three phase A.C. generator the phase difference between each pair of coil is.

Question # 3

The resonance frequency is given by:

Question # 4

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

Question # 5

In frequency modulation which factor changed.

Question # 6

In A.C circuit of inductor which one is true

Question # 7

The effective value of any sinusoidal alternating current or voltage is

Question # 8

Resistance of choke is

Question # 9

In case of capacitor, the unit of reactance is

Question # 10

The electromagnetic spectrum contains

Question # 11

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

Question # 12

An A.C. voltmeter reads 220 V, its peak value will be

Question # 13

Power dissipation is a pure inductive or in a pure capacitance circuit is:

Question # 14

Power dissipated in a pure inductor is.

Question # 15

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

Question # 16

In metal detector, we use.

Question # 17

The reactance of inductor depends upon

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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 Impedance is denoted by:
A. A 
B. Z
C. P
D. Q
2 Vrms =
A. 0.7V
B.
0.07V
C. 0.007V
D. 0.75V
3 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
4 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
5 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
6 The slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
7 In three phase A.C. generator the phase difference between each pair of coil is.
A. 45o
B. 90o
C. 120o
D. 60o
8 The peak to peak value of alternating voltage is
A. 2Vo
B. Vo
D. None of these
9 The highest value reached by the voltage or current is one cycle is called:
A. Peak to peak value
B. Peak value
C.
Instantaneous value
D. Root mean square value
10 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 

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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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