A 100-W heater is designed to operate with an emf of 120 V. (a) What is its

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A 100-W heater is designed to operate with an emf of 120 V.

(a) What is its resistance, and what current does it draw?

(b) Show that if the potential difference across the heater changes by a small amount ΔV, the power changes by a small amount ΔP, where ΔP/P ≈ 2 ΔV/V.

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

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Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jul 23, 2011 07:03 AM

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A 100-W heater is designed to operate with an emf of 120 V. (a) What is its

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Fundamentals of Ethics for Scientists and Engineers

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