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

Question # 2

The reactance is the ratio of

Question # 3

At high frequency, the current through a capacitor is

Question # 4

A capacitor is perfectly insulator for:

Question # 5

In metal detector, we use.

Question # 6

The unit of impedance is

Question # 7

In A.C circuit of inductor which one is true

Question # 8

If Io is the peak value of current, then its root mean square value is given by

Question # 9

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

Question # 10

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

Question # 11

The highest value reached by the voltage or current is one cycle is called:

Question # 12

The internal resistance of a capacitor is called:

Question # 13

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

Question # 14

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

Question # 15

Choke consumes extremely small

Question # 16

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

Question # 17

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

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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 XL=
A. 2πfL
B. 1/2πfL
C. 2πfL
D. fL/2π
2 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
3 If Vrms be the root mean square value of emf then its peak to peak value is given by
4 An in cudutor may store energy in
A. Its magnetic field
B. Its coil
C. Its electric field
D. A neighboring circuit
5 The unit of impedance is
A. Farad
B. Henry
C. Tesla
D. Ohm
6 In frequency modulation which factor changed.
A. Amplitude of charge carriers
B. Frequency of charge carriers
C. Amplitude of signal
D. Frequency of signal
7 In RLC series circuit at resonance the phase difference between capacitor and inductor reactance is.
A. 90o
B. 270o
C. 0o
D. 180o
8 At high frequency, the current through a capacitor is
A. Small
B. Infinity
C. Zero
D. Large
9 An alternating voltage is given by 20 sin 157 t. Th efrequency of alternating voltage is:
A. 50 Hz
B. 25Hz
C. 100 Hz
D. 75 Hz
10 In chopke coil the resistance XL an resistance R are:
A. XL=R
B. XL<<R
C. XL>>R
D. XL=

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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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