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