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