12th class Physics chapter 16 online mcq test with answers for ICS part 2 Physics Chapter 16 (Alternating Current)

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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ICS Part 1 English Medium Subjects

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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 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
2	The peak value of A.C source is 20 A, then its rms value will be.	A. 14.1 A B. 10 A C. 20 A D. 28.2 A
3	If I<sub>o</sub> is the peak value of current, then its root mean square value is given by	A. B. 2 I<sub>o</sub> C. I<sub>o</sub> D. 0.7 I<sub>o</sub>
4	The unit of impedance is	A. Farad B. Henry C. Tesla D. Ohm
5	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>
6	Xc =	A. 1/2πfc B. 2πfc C. 2π/fc D. fc/2π
7	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
8	The highest value reached by the voltage or current in one cycle is called.	A. Peak ot peak value B. Peak value C. Instantaneous value D. Root mean square value
9	In three phase voltage across any two lines is about.	A. 220 V B. 230 V C. 400 V D. 430 V
10	In Series resonance circuit the impedance of circuit art resonance frequency, is	A. Maximum B. Minimum C. It is unequal to R D. None of above

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