Question

A magnetic field applies forces on:
a.static charges
b.moving charges
c.water flow

Answer 1

The force you are mentioning is called Laurentz Force. 

By definition, F = qvB, where q is the charge of the particle, v is the velocity, and B is the field intensity.

Therefore, the particle must be of moving charge.

Answer 2

Answer:

its b on oddessey ware

Explanation: