Question

HELLLP PLS 15 POINTS!!

Which change would result in a stronger electromagnet?
A) using a smaller battery
B) using an iron nail with a larger diameter
C) changing the core to something made of aluminum
D) decreasing the number of wire coils around the nail

Answer 1

B) using an iron nail with a larger diameter

Step-by-step explanation:

Increasing the size of the iron nail would make the electromagnet stronger.