Question

Which factors directly affect the magnetic force produced by an electromagnet?(1 point)
Responses

length of core, number of turns in the wire
length of core, number of turns in the wire

amount of current, length of core
amount of current, length of core

number of turns in the wire, amount of current
number of turns in the wire, amount of current

amount of current, type of force

Answer 1

number of turns in the wire, amount of current