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
Congratulations….
You have secured more than 70% to pass the test.
#1. In CRO, grid controls _____ of screen.
#2. Lorentz force is the sum of magnetic force and _____.
#3. Torque on current carrying coil is:
#4. Horizontally aligned plates in CRO are called _____.
#5. Direction of force on a current carrying conductor in uniform magnetic field is along the palm of _____.
#7. Flux is maximum when surface is _____ to B.
#8. Force is maximum when angle between v and B is ______.
#11. The force on a moving charge is due to:
#15. The _____ is provided to Y-plates from external source in CRO.
#16. Force on moving negative charge in magnetic field is:
#17. In CRO, _____ is used to heat the cathode.
#18. Magnetic flux density through solenoid B =
#19. In CRO, thermionic emission occurs at:
#20. Force is minimum when angle between v and B is ______.
#21. Flux is minimum when surface is _____ to B.
#23. Force on moving positive charge in magnetic field is:
#24. _____ are used to accelerate electrons.
#26. In electromagnetism, electric and magnetic field are _____ to each other.
#28. Magnetic force is _____ force.
#29. Magnetic Flux is a _____ quantity.
#31. Magnetic force provide _____ work.
#32. The value of μo is _____.
#35. Mass of electron is:
#36. magnetic behavior of current was discoved by:
#37. Magnetic force is perpendicular to a plane containing _____.
#39. Electromagnetism deals with:
#40. Magnetic flux density through current carrying wire B =
