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 A.C. generator the phase difference between each pair of coil is.

Question # 2

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

Question # 3

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

Question # 4

The velocity of an oscillating charge as it moves to and fro along a wire is.

Question # 5

The electromagnetic spectrum contains

Question # 6

Which consumes small power.

Question # 7

In chopke coil the resistance XL an resistance R are:

Question # 8

The combined effect of resistance and reactance is knows as.

Question # 9

The expression P = VI hold only when current and voltage are.

Question # 10

An alternating quantity (voltage or current) is completely known if we know its:

Question # 11

When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.

Question # 12

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

Question # 13

The inductive reactance of a coil is direction proportional to.

Question # 14

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

Question # 15

Direct current can not flow through.

Question # 16

If Vrms be the root mean square value of emf then its peak to peak value is given by

Question # 17

Power dissipation is a pure inductive or in a pure capacitance circuit 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 At high frequency the value of reactance of capacitor will be.
A. Small
B. Zero
C. Large
D. Infinite
2 The velocity of an oscillating charge as it moves to and fro along a wire is.
A. Changing
B. Constant
C. Infinite
D. zero
3 The circuit which compares the two voltages is.
A. LDR
B. Sensor
C. Comparator
D. Logic gate
4 Radio frequency choke is
A. Iron cored
B. Air Cored
C. Air as well as iron cored
D. None of these
5 when an inductor comes close to a metallic object, its inductance is.
A. Decreased
B. Increased
C. Becomes half
D. Becomes 4 times
6 Electron vibrating 94,000 times each second will produce radio waves of frequency.
A. 94 Hz
B. 940 HZ
C. 94 Hz
D. 490 Hz
7 The natural frequency of L.C circuit is equal to
8 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
9 At resonance, the behavior of R-L-C series circuit is.
A. Resistive
B. Capacitive
C. Inductive
D. Modulative
10 SI unit of reactance is.
A. Ohm
B. Mho
C. Farad
D. Henry

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    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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