A power line carries a current of 95 A west along the tops of 8.5-m-high poles. (a)

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A power line carries a current of 95 A west along the tops of 8.5-m-high poles.

(a) What is the magnitude and direction of the magnetic field produced by this wire at the ground directly below? How does this compare with the Earth's magnetic field of about ½ G?

(b) Where would the wire's magnetic field cancel the Earth's field?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Oct 05, 2017 08:33 AM

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A power line carries a current of 95 A west along the tops of 8.5-m-high poles. (a)

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a We assume that the power line is long and straight and use Eq 206 The direction at the groun...View the full answer

Physics Principles with Applications

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