A battery is connected at its positive end by a wire to the head of an iron nail. The wire then coils aground the nail to its ti
p and from there to the negative end of the battery.
Predict what would happen to the strength of the electromagnet in each situation.
Using a battery with a higher voltage:
Wrapping the wire around the nail only three times:
Changing the direction of the current by reversing the battery connections:
Using a plastic stick in place of the iron nail:
Holding the nail vertically rather than horizontally: it
Predict what would happen to the strength of the electromagnet in each situation.
Using a battery with a higher voltage:
Wrapping the wire around the nail only three times:
Changing the direction of the current by reversing the battery connections:
Using a plastic stick in place of the iron nail:
Holding the nail vertically rather than horizontally: it
2 answers:
Answer:
sing a battery with a higher voltage:
✔ stronger force of attraction
Wrapping the wire around the nail only three times:
✔ weaker force of attraction
Changing the direction of the current by reversing the battery connections:
✔ no change
Using a plastic stick in place of the iron nail:
✔ weaker force of attraction
Holding the nail vertically rather than horizontally:
✔ no change
Explanation: You're Welcome
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