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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.

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2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

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

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Ics Part 2 Physics Chapter 16 Test
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2nd Year Physics Chapter 16 Online MCQ Test for 12th Class Physics Chapter 16 (Alternating Current)

Sr. # Questions Answers Choice
1 In three phase A.C supply coils are inclined at an angle of.
  • A. 0<sup>o</sup>
  • B. 90<sup>o</sup>
  • C. 120<sup>o</sup>
  • D. 80<sup>o</sup>
2 Which consumes small power.
  • A. Inductor
  • B. Resistor
  • C. Motor
  • D. All of these
3 The wave form of alternating voltage is a
  • A. Cotangent curve
  • B. Cosine curve
  • C. Sine curve
  • D. Tangent curve
4 Power dissipation is a pure inductive or in a pure capacitance circuit is:
  • A. 10<sup>6</sup>
  • B. 0
  • C. 10<sup>∘</sup>
  • D. Maximum
5 The flow of D.C current is opposed by
  • A. Resistor
  • B. Induction
  • C. Capacitor
  • D. All of these
6 Direct current can not flow through.
  • A. Inductor
  • B. Resistor
  • C. Transistor
  • D. Capacitor
7 In frequency modulation which factor changed.
  • A. Amplitude of charge carriers
  • B. Frequency of charge carriers
  • C. Amplitude of signal
  • D. Frequency of signal
8 An alternating quantity (voltage or current) is completely known if we know its:
  • A. Maximum
  • B. Frequency and phase
  • C. Effective value
  • D. Both (a) &amp; (b)
9 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>
10 <span style="font-family: tahoma, Arial, Helvetica, sans-serif; font-size: 12px;">If V<sub>rms</sub> be the root mean square value of emf then its peak to peak value is given by</span>
  • A.
  • B.
  • C.
  • D.

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