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