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

The sum of positive and negative peak value called.

Question # 2

100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.

Question # 3

Electro magnetic waves emitted from radio antenna are.

Question # 4

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

Question # 5

An in cudutor may store energy in

Question # 6

Phase difference between V and I of an A.C through resistor is.

Question # 7

The combined effect of resistance and reactance in circuit is called:

Question # 8

Unit of impedance is:

Question # 9

In three phase voltage across any two lines is about.

Question # 10

In chopke coil the resistance XL an resistance R are:

Question # 11

The inductive reactance of a coil is direction proportional to.

Question # 12

The flow of D.C current is opposed by

Question # 13

XL=

Question # 14

In purely resistive A.C circuit, instantaneous value of voltage and current:

Question # 15

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

Question # 16

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

Question # 17

In A.C circuit of inductor which one is true

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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 slope of q-t curve at any instant of time gives.
A. Voltage
B. Current
C. Charge
D. Botha a and b
2 Choke consumes extremely small
A. Current
B. Charge
C. Power
D. Potential
3 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
A. 100 Ohm
B. 10 Ohm
C. 1000 Ohm
D. 1 Ohm
4 The main use of A.C is
A. Minimum line losses
B. Long distance transmission
C. Stepping up to required voltage only
D. Steeping down to required voltage only
5 If Vrms be the root mean square value of emf then its peak to peak value is given by
6 The natural frequency of L.C circuit is equal to
7 The AC system is preferred to DC system because:
A. AC voltage can be easily changed in magnitude
B. DC motor angular velocity is affected badly
C. High voltage AC transmission is less efficient
D. Domestic appliance require AC voltage for their operation
8 The highest value reached by the voltage or current in one cycle is called.
A. Peak ot peak value
B. Peak value
C. Instantaneous value
D. Root mean square value
9 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
10 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1

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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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