The option that is not a way to strengthen an electromagnet is B) using thinner wire. Thinner wire generally has higher resistance, which can reduce the current flowing through the wire and, in turn, weaken the electromagnet. Thicker wire, increasing the number of coils, and increasing the voltage can all help to strengthen the electromagnet.
which of the following is not a way you can strengthen an electromagnet? A) using thicker wire B) using thinner wire C) increasing the number of coils of wire D) increasing the voltage of a battery
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