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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. P=V x I is according to:

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

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#3. Most of the thermistors have temperature coefficient:

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#4. Resistance of conductor increases by increasing:

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#5. The unit for conductivity is:

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

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#7. Pmax =

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#8. Tolerance for no band is:

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#9. P=

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

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#11. Unit for temperature coefficient is:

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#12. Dimensionally emf is:

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#13. Tolerance for silver is:

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#14. For conductivity σ=

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#15. emf is not a:

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#16. Principle of potentiometer is:

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#17. R=

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#18. Thermistor is a ______ resistor.

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#19. Resistivity depends on:

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#20. For potentiometer ϵ1 =

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#21. Rheostat is a:

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#22. A bar manganin wire is called:

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

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#24. P=

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#25. Black color band has resistance:

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#26. Kirchhoff’s second rule is based on:

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#27. Unit of power is:

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#28. Kirchhoff’s first rule is based on:

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#29. Ell has Potential Difference of:

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#30. Tolerance for gold is:

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#31. For Wheatstone Bridge R4 =

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

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#33. The unit for conductivity is:

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

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#35. Kilo Watt Hour is the unit of:

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

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

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