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. Horizontally aligned plates in CRO are called _____.
#3. _____ are used to accelerate electrons.
#5. Force on moving negative charge in magnetic field is:
#6. Magnetic force is perpendicular to a plane containing _____.
#8. In CRO, thermionic emission occurs at:
#9. Magnetic flux density through solenoid B =
#10. Magnetic flux density through current carrying wire B =
#15. Lorentz force is the sum of magnetic force and _____.
#17. Magnetic Flux is a _____ quantity.
#18. Mass of electron is:
#19. Magnetic force provide _____ work.
#21. Flux is maximum when surface is _____ to B.
#22. Force is minimum when angle between v and B is ______.
#24. Magnetic force is _____ force.
#25. Electromagnetism deals with:
#26. The force on a moving charge is due to:
#27. In CRO, grid controls _____ of screen.
#28. magnetic behavior of current was discoved by:
#29. In CRO, _____ is used to heat the cathode.
#30. Direction of force on a current carrying conductor in uniform magnetic field is along the palm of _____.
#31. Torque on current carrying coil is:
#32. Flux is minimum when surface is _____ to B.
#33. Force is maximum when angle between v and B is ______.
#37. Force on moving positive charge in magnetic field is:
#38. The value of μo is _____.
#39. In electromagnetism, electric and magnetic field are _____ to each other.
#40. The _____ is provided to Y-plates from external source in CRO.
