In terms of the scientific definition of work, magnetic fields can do work, but electric fields cannot.

In terms of the scientific definition of work, magnetic fields can do work, but electric fields cannot:

False

FALSE

Explanation:

As we know that magnetic force is given by

so here magnetic force is always perpendicular to the velocity of the moving charge

so here we can say

so here since it is not producing any power so here rate of work done is zero which means it will not do any work

while in electrostatic force we know that

F = qE

so here force is not perpendicular to displacement or velocity so it will do work

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.