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What effects do coil of wire on a compass after it has been connected to a battery​
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What effects do coil of wire on a compass after it has been connected to a battery​

User Kollo
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1 Answer

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Step-by-step explanation:

The compass needle moved when the wire was connected to the battery. The important point here is that the needle is affected by the wire only when both ends of the wire are connected to the battery because only at this time is current flowing through the circuit.

User Oussama ZAGHDOUD
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