First slide

Induced Electric Field and Magnetic field

Question

A proton is at rest at point P. There is a magnetic field on induction $\vec{B}$ directed along negative Z-axis. If $\vec{B}$ gradually increases

Moderate

A

The proton will remains stationary
B

The proton will start moving in positive y-direction
C

The proton will start moving in negative y-direction
D

The proton will start moving in positive x-direction

Solution

Variable $\vec{B}$ produces $\vec{E}$ . Direction of $\vec{E}$ at P is parallel to positive y axis.

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