Solve Study Textbooks Guides

Use app

Login

>>Class 12
>>Physics
>>Moving Charges and Magnetism
>>Lorentz Force
>> $A magnetic field exerts no force on$

Question

A magnetic field exerts no force on

A

a stream of electrons

B

a stream on protons

C

unmagnetised piece of iron

D

stationary charge.

Medium

Open in App

Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is D)

$F = q (v \times B)$
if $v = 0 \to F = 0$

Solve any question of Moving Charges and Magnetism with:-

Patterns of problems

Was this answer helpful?

0

0

Similar questions

The following cases in which no force is exerted by a magnetic field on a charge is

A long straight conductor carrying a current lies along the axis of a ring. The conductor will exert a force on the ring if the ring

A magnetic field $4 \times 1 0^{- 3} \hat{k} T$ exerts a force $(4 \hat{i} + 3 \hat{j}) \times 1 0^{- 10} N$ on a particle having a charge $1 0^{- 9}$ C and going in the X-Y plane. The velocity of the particle is

A charge q is moving with a velocity v parallel to a magnetic field B. Force on the charge due to magnetic field is

Magnetic force is always perpendicular to the magnetic field.

Electric force is along the direction of electric field.

More From Chapter

Moving Charges and Magnetism

View chapter >

Revise with Concepts

Magnetic Field and Magnetic Force

ExampleDefinitionsFormulaes

Learn with Videos

Basics of Lorentz Force

Practice more questions

Medium Questions

Shortcuts & Tips

Problem solving tips

Memorization tricks

Important Diagrams

Common Misconceptions