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

The effective value of any sinusoidal alternating current or voltage is

Question # 2

The resonance frequency is given by:

Question # 3

In A.C circuit through a capacitor which one is:

Question # 4

In LR circiut which one of the following statements is correct?

Question # 5

In AC system we generate sine wave form because:

Question # 6

At resonance, the behavior of R-L-C series circuit is.

Question # 7

Unit of impedance is:

Question # 8

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

Question # 9

The basic circuit element in A.C. circuit which controls current.

Question # 10

The unit of impedance is

Question # 11

The slope of q-t curve at any instant of time gives.

Question # 12

The unit of impedance is.

Question # 13

An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:

Question # 14

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

Question # 15

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

Question # 16

For electromagnetic waves, Maxwell generalized

Question # 17

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

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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 electromagnetic spectrum contains
A. Radio waves
B. X-rays
C. Microwaves
D. All of these
2 The value of capacitive reactance is given by
A. Xc = VI
B. xc= 1/wc or xc= wL
C. xc= 1*wc or xc=Lw
D. All of above
3 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
4 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
5 Electro magnetic waves emitted from radio antenna are.
A. Stationary
B. Longitudinal
C. Transvers
D. Both a and b
6 High frequency radio wave is called as
A. Fluctuate
B. Carrier wave
C. Matter wave
D. Mechanical wave
7 The A.M. transmission frequencies range from
A. 540 KHz to 1000 KHz
B. 540 Khz to 1600 KHz
C. 520 KHz TO 1600 KHz
D. 520 KHz TO 1400 KHz
8 The main reason for world wide use of A.C is because:
A. It is very high power 
B. It can be transmitted over long distance
C. It is cheaper to use
D. ALl of above
9 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
10 The Basic circuit element in a D.C. circuits which controls the current and voltage is
A.
Resistor
B. Inductor
C.
Capisitor
D. Transistor

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    Rimsha

    20 Oct 2019

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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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