The heating coil in a toaster is made of nichrome wire with a radius of 0.275 mm. If the coil draws a current of 8.40 A when there is a 120 V potential difference across its ends, find the following. (Take the resistivity of nichrome to be 1.50 ✕ 10−6 Ω · m.) (a) resistance of the coil (in Ω) Ω (b) length of wire used to wind the coil (in m) m

The heating coil in a toaster is made of nichrome wire with a radius of 0.275 mm. If the coil draws a current of 8.40 A when there is a 120 V potential difference across its ends, find the following. (Take the resistivity of nichrome to be 1.50 ✕ 10−6 Ω · m.) (a) resistance of the coil (in Ω) Ω (b) length of wire used to wind the coil (in m) m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 63P

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