The diagram shows an electromagnet made with copper wire, a steel nail, and
a 1.5 V battery. Which change would make this electromagnet weaker?
N
S
BATTERY
+
A. Wrap more coils around the nail.
B. Replace the steel nail with a wooden stick.
ОООО
C. Reverse the direction of the battery.
D. Replace the battery with a 3 V battery,
Answers: 2
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The diagram shows an electromagnet made with copper wire, a steel nail, and
a 1.5 V battery. Which...
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