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PhysicsEMI/ACInduced Electric FieldHard2 minPYQ_2013

PhysicsHardsingle choice

A metal sample carrying a current along $X -$ axis with density $J_{x}$ is subjected to a magnetic field $B_{z}$ (along $z -$ axis). The electric field $E_{y}$ developed along $Y$ -axis is directly proportional to $J_{x}$ as well as $B_{z}$ . The constant of proportionality has SI unit.

Options:

Answer:

Solution:

According to question $E_{y} \propto J_{x} B_{Z}$ $∴$ Constant of proportionality $K = \frac{E _{y}}{B _{Z} J _{x}} = \frac{C}{J _{x}} = \frac{m ^{3}}{As}$ $[$ As $\frac{E}{B} = C$ (speed of light) and $J = \frac{I}{Area}]$

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:Induced Electric Field

⏱ 2mℹ️ Source: PYQ_2013

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