Question

Which of the following directly affects the strength of an electromagnet?(1 point)
Responses

Length of core, type of force
Length of core, type of force

Number of coils, amount of current
Number of coils, amount of current

Type of force, number of coils
Type of force, number of coils

Amount of current, type of force

Answer 1

The factors that directly affect the strength of an electromagnet are:

**Number of coils and amount of current.**

So, the correct response is:

**Number of coils, amount of current.**