Home » MCQs » 12th Class » MCQs Physics Chapter 13 – Class 12

Al-Huda Science Academy has designed Class 12 MCQs Physics Chapter 13 Current for board, MdCat and ECAT preparation. These MCQs help students to prepare for their entry test papers.

Chapter 13 Current includes topics:

  • Electricity
  • Resistivity
  • Conductivity
  • Tolerance
  • Rheostat
  • Thermistor
  • Electrical Power and Power Dissipation
  • EMF
  • Kirchhoff’s Rules
  • Wheatstone Bridge
  • Potentiometer

MCQs Physics Chapter 13 Current

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#1. When circuit is open (charging) then V=

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#2. The unit for conductivity is:

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#3. Value of temperature coefficient (α) for carbon is:

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#4. For Wheatstone Bridge R4 =

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#5. Unit of power is:

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#6. Rheostat is a:

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#7. When circuit is closed (discharging) then V=

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#8. Unit for temperature coefficient is:

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#9. Tolerance for gold is:

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#10. Thermistor is a ______ resistor.

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#11. Resistance of conductor increases by increasing:

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#12. Black color band has resistance:

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#13. The unit for conductivity is:

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#14. Tolerance for silver is:

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#15. Dimensionally emf is:

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#16. Substances whose resistance decreases with increase in temperature are:

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#17. A bar manganin wire is called:

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#18. Principle of potentiometer is:

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#19. Kilo Watt Hour is the unit of:

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#20. Tolerance for no band is:

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#21. Resistivity depends on:

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#22. R=

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#23. The value of temperature coefficient (α) for Germanium is:

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#24. When the charge is in motion then there exists field:

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#25. Most of the thermistors have temperature coefficient:

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#26. Pmax =

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#27. P=V x I is according to:

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#28. Potential Difference required to kill a man is:

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#29. For potentiometer ϵ1 =

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#30. Kirchhoff's first rule is based on:

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#31. P=

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#32. emf is not a:

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#33. For conductivity σ=

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#34. Kirchhoff's second rule is based on:

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#35. P=

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#36. Resistance of semi-conductor increases by decreasing:

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#37. Ell has Potential Difference of:

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By Ahsa.Pk

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