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