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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.

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

Ics Part 2 Physics Chapter 16 Test
ic

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

Sr. # Questions Answers Choice
1 The internal resistance of a capacitor is called:
  • A. Impedance
  • B. Resistance
  • C. Reactance
  • D. Conductance
2 The phase difference between current and voltage in an inductive circuit is.
  • A. zero
  • B. 90 <sup>o</sup>
  • C. 180 <sup>o</sup>
  • D. 45<sup>o</sup>
3 The natural frequency of L.C circuit is equal to
  • A.
  • B.
  • C.
  • D.
4 High frequency radio wave is called as
  • A. Fluctuate
  • B. Carrier wave
  • C. Matter wave
  • D. Mechanical wave
5 In LR circiut which one of the following statements is correct?
  • A. L and R opposes each other
  • B. R value increases with frequency
  • C. The inductive reactance increases with frequency
  • D. The inductive reactance decreases with frequency
6 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>
7 The effective value of any sinusoidal alternating current or voltage is
  • A.
  • B.
  • C.
  • D. None of the above
8 The reactance is the ratio of
  • A. V<sub>rms</sub>/I<sub>rms</sub>
  • B. V<sub>rms</sub> x I<sub>rms</sub>
  • C. I<sub>rms</sub>/V<sub>rms</sub>
  • D. V<sub>max</sub> x V<sub>rms</sub>
9 An in cudutor may store energy in
  • A. Its magnetic field
  • B. Its coil
  • C. Its electric field
  • D. A neighboring circuit
10 In pure capacitor A.C. circuit, the current I and charge q are.
  • A. In phase
  • B. Out of phase
  • C. Parallel to each other
  • D. None of above

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