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28-10-2022
Physics

Answered

If a steel nail is wrapped 8 times with an insulated copper wire and each wire end is attached to a 1.5 V battery, then we will be able to lift 2 large paper clips. We hypothesized that for every 8 additional coils, you will be able to pick up two additional paper clips. Choose the control group for the experiment.

A) the nail with 16 coils

B) the nail with no coils

C) the nail with 24 coils

D) the nail with 8 coils

Answer :

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