A computer CD-ROM drive that operates on 120 V is rated at 40 W when it is

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A computer CD-ROM drive that operates on 120 V is rated at 40 W when it is operating.
(a) How much current does the drive draw?
(b) What is the drive’s resistance?
(c) How much energy (in kWh) does this drive use per month assuming it operates 15 min per day?
(d) Estimate the electric energy bill per month, assuming 15 cents per kWh.
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Related Book For  book-img-for-question

College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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