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 If the frequency of A.C. supplied is doubled then the capacitive reactance becomes.
  • A. Half
  • B. Two
  • C. Four times
  • D. One fourth
2 Power dissipated in a pure inductor is.
  • A. Large
  • B. Small
  • C. Infinite
  • D. Zero
3 An in cudutor may store energy in
  • A. Its magnetic field
  • B. Its coil
  • C. Its electric field
  • D. A neighboring circuit
4 The natural frequency of L.C circuit is equal to
  • A.
  • B.
  • C.
  • D.
5 SI unit of reactance is.
  • A. Ohm
  • B. Mho
  • C. Farad
  • D. Henry
6 When 10 V are applied to an A.C circuit, the current flowing in it is 100 mA. It impedance is.
  • A. 100 Ohm
  • B. 10 Ohm
  • C. 1000 Ohm
  • D. 1 Ohm
7 Resistance of choke is
  • A. zero
  • B. Large
  • C. Very small
  • D. Infinite
8 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
9 In AC system we generate sine wave form because:
  • A. It san be easily draw
  • B. It produces least disturbance in electrical circuits
  • C. It is nature standard
  • D. Other waves cannot be produced easily
10 The main use of A.C is
  • A. Minimum line losses
  • B. Long distance transmission
  • C. Stepping up to required voltage only
  • D. Steeping down to required voltage only

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