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

In three phase A.C supply coils are inclined at an angle of.

Question # 2

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

Question # 3

The Basic circuit element in a D.C. circuits which controls the current and voltage is

Question # 4

Choke consumes extremely small

Question # 5

The peak value of A.C source is 20 A, then its rms value will be.

Question # 6

The power factor of RL series circuit is.

Question # 7

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

Question # 8

The wave form of alternating voltage is a

Question # 9

Electron vibrating 94,000 times each second will produce radio waves of frequency.

Question # 10

Average value of current and voltage over a complete cycle is.

Question # 11

The device which allows only the flow of D.C. is.

Question # 12

In case of A.C. through resistor V and I are

Question # 13

The inductive reactance of a coil is direction proportional to.

Question # 14

XL=

Question # 15

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

Question # 16

The internal resistance of a capacitor is called:

Question # 17

A capacitor is perfectly insulator for:

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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 In three phase A.C supply coils are inclined at an angle of.
A. 0o
B. 90o
C. 120o
D. 80o
2 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
A. 30.8 Ohm
B. 31.8 Ohm
C. 34.8 Ohm
D. 40 Ohm
3 The combined effect of resistance and reactance in circuit is called:
A. Impedance
B. Inductance
C. Capacitance
D. None of above
4 The basic circuit element in A.C. circuit which controls current.
A. Resistor only
B. Capacitor only
C. Inductor only
D. All of these
5 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
6 In three phase voltage across any two lines is about.
A. 220 V
B. 230 V
C. 400 V
D. 430 V
7 Power dissipated in a pure inductor is.
A. Large
B. Small
C. Infinite
D. Zero
8 For electromagnetic waves, Maxwell generalized
A. Gauses law for magnetism
B. Gauses law for eletricity
C. Fradays law
D. Amperes law
9 Phase difference between V and I of an A.C through resistor is.
A. Zero Degree
B. 90 o
C. 80o
D. 120o
10 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L

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    Butt

    31 Mar 2020

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    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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