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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 : 21 to 25

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

21.A charged particle moves in a magnetic field in a plane perpendicular to the magnetic field. The orbital magnetic moment of circulating charge is direction:

parallel to magnetic field

against the magnetic field

perpendicular to magnetic field

none of the above

22.If a charged particle is projected in a region of magnetic field, then:

the speed of the charged particle continuously changes

the magnetic force on the charged particle must be zero

the speed of the charged particle remains constant

the magnetic force on the changed particle must not be zero

23.In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a:

helix

straight line

ellipse

circle

24.Mark correct option or options.

Electric field and magnetic field are basically independent

Electric field and magnetic field are two aspects of the electromagnetic field

Electric field and magnetic field may be produced by charge in rest

Both A and C are correct

25.A proton moving in a straight line enters a strong magnetic field along the field direction. How will its path and velocity change?

Path is circular but speed constant

Path is same but velocity increase