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MCQs Physics Chapter 13 – Class 12

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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 potentiometer ϵ1 =

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#2. Rheostat is a:

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

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#4. Most of the thermistors have temperature coefficient:

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

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

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

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#8. Unit of power is:

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

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#10. Dimensionally emf is:

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

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

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#13. Resistivity depends on:

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#14. For Wheatstone Bridge R4 =

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#15. Ell has Potential Difference of:

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#16. P=

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#17. Kilo Watt Hour is the unit of:

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#18. Black color band has resistance:

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

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#20. Tolerance for gold is:

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

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#22. emf is not a:

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#23. The unit for conductivity is:

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#24. Thermistor is a ______ resistor.

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

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#26. Tolerance for no band is:

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#27. The unit for conductivity is:

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#28. Unit for temperature coefficient is:

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

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#30. For conductivity σ=

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#31. R=

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#32. Pmax =

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#33. A bar manganin wire is called:

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#34. Tolerance for silver is:

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#35. Principle of potentiometer is:

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#36. P=

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#37. Resistance of conductor increases by increasing:

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