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 peak to peak value of alternating voltage is

Question # 2

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

Question # 3

The wave form of alternating voltage is a

Question # 4

Choke consumes extremely small

Question # 5

In the capacitive circuit of A.C. quantity when q= 0 the slope of q-t curve is.

Question # 6

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

Question # 7

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

Question # 8

SI unit of reactance is.

Question # 9

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

Question # 10

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

Question # 11

The natural frequency of L.C circuit is equal to

Question # 12

At high frequency the value of reactance of capacitor will be.

Question # 13

In a pure inductive A.C. circuit the current.

Question # 14

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

Question # 15

In metal detector, we use.

Question # 16

XL=

Question # 17

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

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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 device which allows only the flow of D.C. is.
A. Capacitors
B. transformer
C. Inductor
D. Generator
2 A resistance frequency the impedance of RLC parallel circuit is.
A. Zero
B. Infinite
C. Maximum
D. Minimum
3 In Series resonance circuit the impedance of circuit art resonance frequency, is
A. Maximum
B. Minimum
C. It is unequal to R
D. None of above
4 During each cycle A.C. voltage reaches a peak value.
A. Once
B. Twice
C. Thrice
D. Four time
5 In LR circiut which one of the following statements is correct?
A. L and R opposes each other
B. R value increases with frequency
C. The inductive reactance increases with frequency
D. The inductive reactance decreases with frequency
6 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
7 An A.C. voltmeter reads 220 V, its peak value will be
A. 225 V
B. 240 V
C. 311.12 V
D. 300 V
8 The wave form of alternating voltage is a
A. Cotangent curve
B. Cosine curve
C. Sine curve
D. Tangent curve
9 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
10 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

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  • Butt

    Butt

    31 Mar 2020

    I want to give some test

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    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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