A long thin solenoid has and radius

PHYSICS · Multi-part · CBSE · Physics · Electromagnetic Induction · Electromagnetic Induction

Problem

A long thin solenoid has

900\,\text{turns m}^{-1}

and radius

2.50\,\text{cm}

. The current in the solenoid is increasing uniformly at

60\,\text{A s}^{-1}

. What is the magnitude of the induced electric field at a point? (a)

0.5\,\text{cm}

from the axis of the solenoid. (b)

1.0\,\text{cm}

from the axis of the solenoid.