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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#2. For potentiometer ϵ1 =
#4. Substances whose resistance decreases with increase in temperature are:
#5. Resistivity depends on:
#6. Dimensionally emf is:
#7. Tolerance for no band is:
#8. For Wheatstone Bridge R4 =
#9. Ell has Potential Difference of:
#10. Most of the thermistors have temperature coefficient:
#12. Tolerance for silver is:
#13. Potential Difference required to kill a man is:
#14. The unit for conductivity is:
#16. When circuit is open (charging) then V=
#18. Value of temperature coefficient (α) for carbon is:
#19. When the charge is in motion then there exists field:
#20. A bar manganin wire is called:
#22. Principle of potentiometer is:
#23. Resistance of semi-conductor increases by decreasing:
#24. The value of temperature coefficient (α) for Germanium is:
#25. P=V x I is according to:
#26. Kirchhoff’s second rule is based on:
#27. When circuit is closed (discharging) then V=
#28. Kilo Watt Hour is the unit of:
#29. The unit for conductivity is:
#31. Kirchhoff’s first rule is based on:
#32. Resistance of conductor increases by increasing:
#34. Tolerance for gold is:
#35. Black color band has resistance:
#36. Unit for temperature coefficient is:
#37. Thermistor is a ______ resistor.
