Question

How can the strength of an electromagnet be increased?
Increase the voltage of the power source
Increase the number of coils
Add more batteries
All of these

Answer 1

answer is increase the number of coils lol sorry
Strength of an electromagnetic can be increased by passing more current through the coil, which is achieved by increasing voltage. Alternatively, changing the core of electromagnetic also changes intensity.

Answer 2

thanks :)

Answer 3

your welcome : )