Al-Huda Science Academy has designed Class 12 MCQs Physics Chapter 16 Alternating Current for board, MdCat and ECAT preparation. These MCQs help students to prepare for their entry test papers.
Chapter 16 Alternating Current includes topics:
Alternating current Peak to Peak value Phase lag and Phase lead AC through capacitor AC through inductor Impedance Power in AC circuit Parallel resonance circuit Series resonance circuit Electromagnetic waves MCQs Physics Chapter 16 Alternating Current
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#2. Unit of impedance is:#3. The voltage supplied at domestic level in Pakistan is:#5. Power factor in case of ideal resistor is:
#6. In Resonance condition:#8. In case of inductor voltage leads the current by:#9. P = Irms x Vrms cosθ, here cosθ is:
#11. When frequency of AC source is very small then:#12. Parallel resonance circuit is also called as:#14. Alternating current frequency used in USA is:#15. Alternating current frequency used in Pakistan is:
#16. The voltage supplied at domestic level in USA is:#17. The current which changes its polarity in equal intervals of time is:#18. Series resonance circuit is also called as:#19. When frequency is high then XL will be:#20. When frequency of AC source is very large then:
#22. In case of capacitor current leads the voltage by:
#27. The combined effect of resistance and reactance is called:
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