Question

A) Three charged objects are placed in order A B C along a straight line. If A is negative and the net electric force on B is zero, what is true about the charge of C?

-Must be positive

-Must be negative

-Could be negative or positive

B) When a proton is released in an electric field it

-does not move.

-moves perpendicular to the direction of field line

-moves in the direction of field line

-moves in the opposite direction of field line

C) A wire carries a current straight down (towards the ground). What is the direction of the magnetic field at a point 1 meter north of the wire?

-North

-South

-East

-West

D) When a grounded conductor is charged placing a charged object near it and then removing the ground wire we refer to it as charging by

-Reduction

-Induction

-Reflection

-Conduction

Answer 1