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16th Chapter

12th Class Physics Chapter 16 Test

Here you can prepare 12th Class Physics Chapter 16 Alternating Current Test. Click the button for 100% free full practice test.

Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

This online test contains MCQs about following topics:.

- Alternating Current - A.C. Circuits - A.C. Through a Resistor - A.C. Through a Capacitor - A.C. Through an Inductor - Impedance - R-C and R-L Series Circuits - Power in A.C. Circuits - Series Resonance Circuits - Parallel Resonance Circuits - Three Phase A.C. Supply - Principle of Metal Detectors - Choke - Electromagnetic Waves - Principle of Generation, Transmission and Reception of Electromagnetic Waves - Modulation

FSC Part 2 Physics Ch 16 Test
ic

Second Year Physics Chapter 16 Online MCQ Test for 2nd Year Physics Chapter 16 Alternating Current Preparation

Sr. # Questions Answers Choice
1 X<sub>L</sub>=
  • A. 2πfL
  • B. 1/2πfL
  • C. 2πfL
  • D. fL/2π
2 The slope of q-t curve at any instant of time gives.
  • A. Voltage
  • B. Current
  • C. Charge
  • D. Botha a and b
3 Power dissipated in a pure inductor is.
  • A. Large
  • B. Small
  • C. Infinite
  • D. Zero
4 The main reason for world wide use of A.C is because:
  • A. It is very high power&nbsp;
  • B. It can be transmitted over long distance
  • C. It is cheaper to use
  • D. ALl of above
5 Radio frequency choke is
  • A. Iron cored
  • B. Air Cored
  • C. Air as well as iron cored
  • D. None of these
6 The peak value of alternating current is 5<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">√2 </b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">A. The mean square value of current will be:</span>
  • A. 5A
  • B. 2.5A
  • C. 5<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">√2A</b>
  • D. 5<sup>2</sup>
7 The unit of impedance is
  • A. Farad
  • B. Henry
  • C. Tesla
  • D. Ohm
8 In A.C circuit through a capacitor which one is:
  • A. Current leads voltage by 90<sup>∘</sup>
  • B. Current lags behind voltage by 90<sup>∘</sup>
  • C. Both will be in phase
  • D. None of above&nbsp;
9 The phase difference between the current and voltage at resonce is:
  • A. 0
  • B. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π</span>
  • C. -<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π</span>
  • D. <span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">π/2</span>
10 Unit of impedance is:
  • A. Ohm
  • B. Ohm<sup>-1</sup>
  • C. no unit
  • D. Ohm m<sup>-1</sup>

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  • B

    Butt

    31 Mar 2020

    I want to give some test

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  • R

    Rimsha

    20 Oct 2019

    I am rimsha from kabirwala l am not belong to Lahore plz correct my city name

    Like (1)
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  • A

    Atiya

    20 Nov 2017

    aoa ....how to download it

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  • Z

    Zia

    28 Jun 2016

    thankx

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