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?
Responses
reduce the number of wire turns at location 4
reduce the number of wire turns at location 4
increase the length of wire at location 1
increase the length of wire at location 1
add more batteries in series at location 3
add more batteries in series at location 3
open the switch at location 2
1 answer
add more wire turns at location 4