MCQs Physics Chapter 16

MCQs Physics Chapter 16 – Class 12

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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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#1. The combined effect of resistance and reactance is called:

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#2. V =

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#3. Unit of impedance is:

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#4. In case of inductor voltage leads the current by:

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#5. Xc is called:

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#6. ωt =

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#7. Alternating current frequency used in USA is:

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#8. Parallel resonance circuit is also called as:

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#9. I =

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#10. P =

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#11. Dimensionally √LC =

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#12. Vrms =

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#13. Xc =

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#14. The current which changes its polarity in equal intervals of time is:

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#15. Series resonance circuit is also called as:

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#16. Irms =

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#17. When frequency of AC source is very large then:

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#18. XL =

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#19. The voltage supplied at domestic level in USA is:

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#20. The voltage supplied at domestic level in Pakistan is:

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#21. When frequency is high then XL will be:

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#22. fr =

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#23. In case of capacitor current leads the voltage by:

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#24. Z =

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#25. When frequency of AC source is very small then:

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#26. Alternating current frequency used in Pakistan is:

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#27. Power factor in case of ideal resistor is:

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#28. P = Irms x Vrms cosθ, here cosθ is:

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#29. In Resonance condition:

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