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