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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 combined effect of resistance and reactance in circuit is called:
  • A. Impedance
  • B. Inductance
  • C. Capacitance
  • D. None of above
2 The main reason for world wide use of A.C is because:
  • A. It is very high power 
  • B. It can be transmitted over long distance
  • C. It is cheaper to use
  • D. ALl of above
3 Main reason for world wide use of A.C. is
  • A. It is cheaper
  • B. Transmitted
  • C. Botha a and b
  • D. Reaches in short time
4 SI unit of reactance is.
  • A. Ohm
  • B. Mho
  • C. Farad
  • D. Henry
5 In a pure inductive A.C. circuit the current.
  • A. Lags behind voltage by 90 <sup>o</sup>
  • B. Leads the voltage by 90 <sup>o</sup>
  • C. In phase with voltage
  • D. Leads the voltage by 270 <sup>o</sup>
6 Vrms =
  • A. 0.7V<sub>∘</sub>
  • B. <div>0.07V<sub>∘</sub></div>
  • C. 0.007V<sub>∘</sub>
  • D. 0.75V<sub>∘</sub>
7 The Basic circuit element in a D.C. circuits which controls the current and voltage is
  • A. <div>Resistor</div>
  • B. Inductor
  • C. <div>Capisitor</div>
  • D. Transistor
8 The flow of D.C current is opposed by
  • A. Resistor
  • B. Induction
  • C. Capacitor
  • D. All of these
9 An electromagnetic wave goes from air to glass which of the following does not change?
  • A. Radio waves
  • B. X-rays
  • C. Ultra violet radiation
  • D. Ultra sond waves
10 The peak to peak value of alternating voltage is
  • A. 2V<sub>o</sub>
  • B. V<sub>o</sub>
  • C.
  • D. None of these

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