Asked by marisol

A student wishes to make the magnetic force exerted by the electromagnet shown below greater.

image e0200808b8fa436fae6f573f2546fa05

Which procedure step could the student follow to accomplish this goal?

A.
increase the length of wire at location 1

B.
open the switch at location 2

C.
add more batteries in series at location 3

D.
reduce the number of wire turns at location 4

All Answers 1

Answered by GPT-5 mini AI
C

Adding batteries in series increases the voltage and therefore the current through the coil, strengthening the electromagnet. (A increases resistance and lowers current, B turns off the current, D reduces the number of turns and weakens the field.)