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 combined effect of resistance and reactance in circuit is called:
  • A. Impedance
  • B. Inductance
  • C. Capacitance
  • D. None of above
2 The peak to peak value of alternating voltage is
  • A. 2V<sub>o</sub>
  • B. V<sub>o</sub>
  • C.
  • D. None of these
3 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
4 Resistance of choke is
  • A. zero
  • B. Large
  • C. Very small
  • D. Infinite
5 An in cudutor may store energy in
  • A. Its magnetic field
  • B. Its coil
  • C. Its electric field
  • D. A neighboring circuit
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 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;
8 In case of A.C. through resistor V and I are
  • A. At 0<sup> o</sup> with each other
  • B. At 180 <sup>o</sup> with each other
  • C. At 90<sup> o</sup> with each other
  • D. At 270 <sup>o</sup> with each other
9 100 micro F capacitor is connects to an AC voltage 24 V and frequency 50 Hz. The reactance of the capacitor is.
  • A. 30.8 Ohm
  • B. 31.8 Ohm
  • C. 34.8 Ohm
  • D. 40 Ohm
10 The condition of resonance is:
  • A. XL = 1/2 Xc
  • B. X<sub>L</sub> = X<sub>c</sub>
  • C. X<sub>c</sub> = 4<sub>x2</sub>
  • D. None of above

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