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