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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MCQs Physics Chapter 13 Current

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

#2. Ell has Potential Difference of:

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

#4. The unit for conductivity is:

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

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

#7. Unit for temperature coefficient is:

#8. P=

#9. For potentiometer ϵ1 =

#10. Dimensionally emf is:

#11. For conductivity σ=

#12. Pmax =

#13. Tolerance for silver is:

#14. Tolerance for gold is:

#15. Unit of power is:

#16. The unit for conductivity is:

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

#18. For Wheatstone Bridge R4 =

#19. Rheostat is a:

#20. Tolerance for no band is:

#21. Principle of potentiometer is:

#22. Thermistor is a ______ resistor.

#23. Kilo Watt Hour is the unit of:

#24. Black color band has resistance:

#25. R=

#26. A bar manganin wire is called:

#27. Most of the thermistors have temperature coefficient:

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

#29. emf is not a:

#30. Resistivity depends on:

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

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

#33. Resistance of conductor increases by increasing:

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

#35. P=

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

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

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