Question

In Fig. there is a uniform conducting structure in which each small square has side a. The structure is kept in a uniform magnetic field B. Then the magnetic force on the structure will be

A. `2sqrt2iBa`
B. `sqrt2iBa`
C. `2iBa`
D. `iBa`

Answer 1

Correct Answer - a
Effective length from A to C is `2sqrt2a`