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

00:00
Question # 1

In three phase voltage across any two lines is about.

Question # 2

The main use of A.C is

Question # 3

The power factor of RL series circuit is.

Question # 4

Impedance is denoted by:

Question # 5

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

Question # 6

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

Question # 7

A capacitor is perfectly insulator for:

Question # 8

Choke consumes extremely small

Question # 9

The condition of resonance is:

Question # 10

In case of capacitor, the unit of reactance is

Question # 11

The reactance is the ratio of

Question # 12

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

Question # 13

The electromagnetic spectrum contains

Question # 14

The phase angle of a series RLC circult at resonant frequency is

Question # 15

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

Question # 16

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

Question # 17

The Basic circuit element in a D.C. circuits which controls the current and 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 An electromagnetic wave goes from air to glass which of the following does not change?
A. Radio waves
B. X-rays
C. Ultra violet radiation
D. Ultra sond waves
2 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
3 The device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
4 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
5 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
6 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
7 In case of A.C. through resistor V and I are
A. At 0 o with each other
B. At 180 o with each other
C. At 90 o with each other
D. At 270 o with each other
8 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
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 reactance is the ratio of
A. Vrms/Irms
B. Vrms x Irms
C. Irms/Vrms
D. Vmax x Vrms

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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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