- #1

hidemi

- 208

- 36

- Homework Statement
- A cylindrical region of radius R contains a uniform magnetic field, parallel to its axis, with magnitude that is changing linearly with time. If r is the radial distance from the cylinder axis, the magnitude of the induced electric field inside the cylindrical region is proportional to

A) R

B) r

C) r²

D) 1/r

E) 1/ r²

The answer is B.

- Relevant Equations
- (See better interpretation in the "Attempt at a Solution" section)

I used the equation below and the attachment to rationalize.

https://www.physicsforums.com/attachments/282163

https://www.physicsforums.com/attachments/282163