Class 12 Physics MCQ Test – Alternating Current (Chapter 7) | Full Chapter Test

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Class 12 Physics: Alternating Current Test

Class 12 Physics

Chapter 7: Alternating Current – Full Chapter Test

Time Left: 5:00
1. RMS value of current I = 10 sin(100πt) is:
2. In AC circuit, XL = XC at:
3. Power factor of purely inductive circuit is:
4. Impedance of RLC circuit at resonance is:
5. Frequency of AC source is 50 Hz. Angular frequency is:
6. In transformer, step-up means:
7. Wattless current flows in:
8. Phase difference between voltage and current in pure resistor:
9. Efficiency of ideal transformer is:
10. At resonance, current is:
Vedant Classes | Class 12 Physics Test Series

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