How much current must pass through a horizontal power transmission cable in order for the magnetic field at a location 24 m directly below it to be equal to the Earth's magnetic field, which is approximately 4.0 x 10-5 T? Express your answer to two significant figures and include appropriate units.
How much current must pass through a horizontal power transmission cable in order for the magnetic field at a location 24 m directly below it to be equal to the Earth's magnetic field, which is approximately 4.0 x 10-5 T? Express your answer to two significant figures and include appropriate units.
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How much current must pass through a horizontal power transmission cable in order for the magnetic field at a location 24 m directly below it to be equal to the
Earth's magnetic field, which is approximately 4.0 × 10-5 T?
Express your answer to two significant figures and include appropriate units.
μÀ
Value
Units
?
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