Question

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Which change will most likely increase the strength of a magnetic field produced by an electromagnet?
Question options:

Reduce the number of turns of the coil


Switch the direction in which the battery is connected


Remove the iron nail


Increase the voltage of a battery

Answer 1

i would go the last choice i hope this helps!

Answer 2

In crease the voltage of a battery because It adds more of a charge