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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. e/m of neutron is:

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#2. μo is called _____.

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#3. Force on moving positive charge in magnetic field is:

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#4. Magnetic flux density through solenoid B =

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#5. Magnetic force is _____ force.

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#6. _____ are used to accelerate electrons.

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#7. In CRO, thermionic emission occurs at:

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#8. Force is maximum when angle between v and B is ______.

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#9. 1T =

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#10. The value of μo is _____.

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#11. The force on a moving charge is due to:

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#12. Magnetic force provide _____ work.

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#13. In CRO, _____ is used to heat the cathode.

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#14. Lorentz force F =

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#15. Fe =

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#16. Horizontally aligned plates in CRO are called _____.

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#17. e/m =

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#18. Electromagnetism deals with:

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#19. 1T =

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#20. Mass of proton is:

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#21. magnetic behavior of current was discoved by:

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#22. Force on moving negative charge in magnetic field is:

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#23. e/m of electron is:

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#24. Flux is minimum when surface is _____ to B.

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#25. The _____ is provided to Y-plates from external source in CRO.

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#26. Magnetic Flux is a _____ quantity.

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#27. e/m of proton is:

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#28. B.ΔL =

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#29. Magnetic force is perpendicular to a plane containing _____.

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#30. In CRO, grid controls _____ of screen.

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#31. Magnetic flux density through current carrying wire B =

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#32. Direction of force on a current carrying conductor in uniform magnetic field is along the palm of _____.

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#33. Force is minimum when angle between v and B is ______.

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#34. Mass of electron is:

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#35. Fb =

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#36. Torque on current carrying coil is:

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#37. Lorentz force is the sum of magnetic force and _____.

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#38. F =

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#39. Flux is maximum when surface is _____ to B.

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#40. In electromagnetism, electric and magnetic field are _____ to each other.

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By Ahsa.Pk

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