Last Updated on July 8, 2021 by Ahsa.Pk
Al-Huda Science Academy has designed Class 12 MCQs Physics Chapter 14 Electromagnetism for board, MdCat and ECAT preparation. These MCQs help students to prepare for their entry test papers.
Chapter 14 Electromagnetism includes topics:
- Electromagnetism
- Force on a current carrying coil in magnetic field
- Magnetic Flux and Magnetic Density
- Ampere’s law
- Determination of flux density
- Force on a moving charge in a magnetic field
- Lorentz Force
- Determination of e/m
- CRO – Cathode Ray Oscilloscope
- Torque on a current carrying coil
MCQs Physics Chapter 14 Electromagnetism
Results
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#1. Electromagnetism deals with:
#2. Lorentz force is the sum of magnetic force and _____.
#3. magnetic behavior of current was discoved by:
#7. Flux is minimum when surface is _____ to B.
#9. Force on moving negative charge in magnetic field is:
#11. Magnetic flux density through solenoid B =
#12. Mass of electron is:
#13. The _____ is provided to Y-plates from external source in CRO.
#15. Force is maximum when angle between v and B is ______.
#16. Horizontally aligned plates in CRO are called _____.
#17. In CRO, grid controls _____ of screen.
#18. Force on moving positive charge in magnetic field is:
#20. Magnetic flux density through current carrying wire B =
#21. Torque on current carrying coil is:
#22. _____ are used to accelerate electrons.
#25. The value of μo is _____.
#26. Flux is maximum when surface is _____ to B.
#27. Direction of force on a current carrying conductor in uniform magnetic field is along the palm of _____.
#28. The force on a moving charge is due to:
#29. Magnetic force provide _____ work.
#30. Magnetic force is _____ force.
#32. In electromagnetism, electric and magnetic field are _____ to each other.
#33. In CRO, thermionic emission occurs at:
#36. In CRO, _____ is used to heat the cathode.
#38. Magnetic force is perpendicular to a plane containing _____.
#39. Force is minimum when angle between v and B is ______.
#40. Magnetic Flux is a _____ quantity.
