Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMotion analysis in electric & magnetic fieldHard2 minPYQ_2020

PhysicsHardsingle choice

A particle having mass $m$ and change $q$ is released from the origin in a region in which electric field and magnetic fields are given by $\vec{B} = - B_{0} \hat{j}$ and $\vec{E} = E_{0} \hat{k}$ . The speed of the particle as a function of its $z$ -coordinate is

Options:

Answer:

Solution:

$\frac{m V^{2}}{2} = q E_{0} Z$ [As magnetic force does zero work]

$v = \sqrt{\frac{2 q E_{0} Z}{m}}$

Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Motion analysis in electric & magnetic field

⏱ 2mℹ️ Source: PYQ_2020

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