A charged particle in a uniform magnetic field B = B 0 k ^ starts moving from the origin with velocity v = 3 i ^ + 4 k ^ m/s. The trajectory of the particle and the time t at which it reaches 2 m above x − y plane are,

Hint : Velocity along z-direction will be const. t = V z s = 4 2 = 2 1 sec Path will be helical.

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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceMedium2 minPYQ_2023

PhysicsMediumsingle choice

A charged particle in a uniform magnetic field $B = B_{0} \hat{k}$ starts moving from the origin with velocity $v = 3 \hat{i} + 4 \hat{k}$ m/s. The trajectory of the particle and the time $t$ at which it reaches $2 m$ above $x - y$ plane are,

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Answer:

Solution:

Hint :
Velocity along z-direction will be const. $t = \frac{s}{V _{z}} = \frac{2}{4} = \frac{1}{2} sec$ Path will be helical.

Stream:WBJEESubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2023

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