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

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

Question # 2

Radio frequency choke is

Question # 3

The mean value of A.C. in a cycle is.

Question # 4

The phase difference between the current and voltage at resonce is:

Question # 5

Which consumes small power.

Question # 6

Unit of impedance is:

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Direct current can not flow through.

Question # 11

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

Question # 12

The inductive reactance of a coil is direction proportional to.

Question # 13

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

Question # 14

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

Question # 15

In AC system we generate sine wave form because:

Question # 16

The most common source of an A.C. Voltage is.

Question # 17

The main use of A.C 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 In AC system we generate sine wave form because:
A. It san be easily draw
B. It produces least disturbance in electrical circuits
C. It is nature standard
D. Other waves cannot be produced easily
2 Unit of impedance is:
A. Ohm
B. Ohm-1
C. no unit
D. Ohm m-1
3 The resonance frequency is given by:
A. fr = 2π√LC
B. fr = 1/2πLC
C. fr = 1/ 2π√LC
D. f1 = 1/ 2πC√L
4 In modulation, low frequency signal is known as
A. Carrier wave
B. fluctuated signal
C. Modulated carrier signal
D. Modulation signal
5 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
6 Resistance of choke is
A. zero
B. Large
C. Very small
D. Infinite
7 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
8 In metal detector, we use.
A. L-C circuit
B. R-L circuit
C. R-C circuit
D. RLC series circuit
9 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
10 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

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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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