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Magnetic Effect Of Current And Magnetism QUESTIONS AND ANSWERS

IIT JEE : Magnetic Effect Of Current And Magnetism QUESTIONS AND ANSWERS :: part1 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.Two protons are moving with same velocity in magnetic field of same magnitude, then:

magnetic force on protons may be zero

magnetic force on both must be same to each other

magnetic force on both may or may not be same to each other

both A and C are correct

17.When a charged particle moves in a magnetic field, its KE always:

increases

decreases

remains constant

increases or decreases which depends on direction of projection of particle

18.The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its:

speed

mass

charge

magnetic induction

19.Imagine that you are seated in a room and there is a uniform magnetic field pointing vertically downwards in it. At the centre of the room, an electron is projected horizontally with a certain speed. Discuss the speed and the path of the electron in this field.

Electron moves in anticlockwise path

Electron moves in clockwise path

Electron moves left wards

Electron moves right wards

20.If a current is passed through a spring then the spring will:

expand

compress

remain same

none of these

More Magnetic Effect Of Current And Magnetism QUESTIONS AND ANSWERS available in next pages