Question

Examine the scenario.


A stream of negatively-charged particles is moving to the right in a magnetic field. The particles experience a force downward.


Which situation(s) would result in the particle stream experiencing an upward force?


(Select all that apply.) (I think you have to select 2?)


a) using uncharged particles moving to the right

b) using positively-charged particles moving to the left

c) using positively-charged particles moving to the right

d) using negatively-charged particles moving to the left

Answer 1

Answer:

C and D

Explanation:

From the right-hand rule, positively charged particles moving to the left in a perpendicular magnetic field, will experience an upward force. Also, negatively charged particles moving to the left will experience an upward force. This is because, the  direction of the force is irrespective of the sign of the charge but on its velocity.