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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. For Wheatstone Bridge R4 =

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

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#3. R=

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#4. Pmax =

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#5. Resistance of conductor increases by increasing:

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#6. Unit for temperature coefficient is:

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#7. Kilo Watt Hour is the unit of:

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

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#9. emf is not a:

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

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

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#12. Tolerance for no band is:

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

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

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#15. Dimensionally emf is:

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#16. Tolerance for gold is:

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#17. The unit for conductivity is:

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

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

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#20. The unit for conductivity is:

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#21. Principle of potentiometer is:

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#22. Rheostat is a:

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#23. P=

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#24. A bar manganin wire is called:

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#25. For potentiometer ϵ1 =

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#26. Ell has Potential Difference of:

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#27. Resistivity depends on:

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#28. Most of the thermistors have temperature coefficient:

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

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#30. Unit of power is:

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#31. P=

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

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#33. For conductivity σ=

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#34. Thermistor is a ______ resistor.

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#35. Black color band has resistance:

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#36. Tolerance for silver is:

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

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By Ahsa.Pk

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