You place a long straight wire on top of your compass, and the wire is a height of 5 mm above the compass needle. If the current in the wire is I= 0.2 ampere and runs left to right as shown, calculate the approximate angle the needle deflects away from north. The magnetic field of the Earth at the location is 2 times 10-5 T.

could someone please show me where I would want to start with this question?

Question

You place a long straight wire on top of your compass, and the wire is a height of 5 mm above the compass needle. If the current in the wire is I= 0.2 ampere and runs left to right as shown, calculate the approximate angle the needle deflects away from north. The magnetic field of the Earth at the location is 2 times 10-5 T.

could someone  please show me where I would want to start with this question?

anonymous · Answer

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This goes with the question above