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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#1. Magnetic force is perpendicular to a plane containing _____.#3. Magnetic force is _____ force.#4. Direction of force on a current carrying conductor in uniform magnetic field is along the palm of _____.#5. Flux is maximum when surface is _____ to B.
#6. Magnetic flux density through solenoid B =#7. In CRO, grid controls _____ of screen.#8. Lorentz force is the sum of magnetic force and _____.#9. The value of μo is _____.
#11. Magnetic Flux is a _____ quantity.#12. Torque on current carrying coil is:#13. magnetic behavior of current was discoved by:#15. Electromagnetism deals with:
#16. The force on a moving charge is due to:#17. In CRO, _____ is used to heat the cathode.#18. Mass of electron is:#19. In CRO, thermionic emission occurs at:#20. Flux is minimum when surface is _____ to B.
#21. Force on moving positive charge in magnetic field is:#24. _____ are used to accelerate electrons.#25. Force is minimum when angle between v and B is ______.
#28. Magnetic force provide _____ work.#29. Magnetic flux density through current carrying wire B =
#32. Horizontally aligned plates in CRO are called _____.
#36. Force on moving negative charge in magnetic field is:#37. The _____ is provided to Y-plates from external source in CRO.#38. In electromagnetism, electric and magnetic field are _____ to each other.#40. Force is maximum when angle between v and B is ______.
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