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