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