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