Work Done By Magnetic Force | MCQs

Moving Charges & Magnetism

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Moving Charges & Magnetism

Topic Based Quiz

(Work Done By Magnetic Force On Charged Particle)

General Instructions

This quiz belongs to the Chapter-

Moving Charges & Magnetism

This quiz is based on the concept of-

Work Done By Magnetic Force On A Charged Particle

Each question carries one mark.
There is no negative marking.
Keep a rough notebook with you for rough work.

All the best!

An electron enters a uniform magnetic field with speed v. It describes a semicircular path and comes out of the field. The final speed of the electron is-

Zero

v/2

None

A charged particle moves through a magnetic field perpendicular to its direction. Then-

Its kinetic energy changes but the momentum is constant

Its momentum changes but the kinetic energy is constant

Both its momentum and kinetic energy of the particle are not constant

Both its momentum and kinetic energy of the particle are constant

None

Assertion- The energy of a charged particle moving in a magnetic field does not change.
Reason- The work done by the magnetic force on the charge moving in a magnetic field is zero.

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Assertion is true but Reason is false

Both Assertion and Reason are false

None

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