A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on 3.80 V. HINT (a) What average current (in A) does the phone draw from its battery? (b) Calculate the energy (in J) stored in a fully charged battery if the phone requires charging after 6.43 hours of use.
A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on 3.80 V. HINT (a) What average current (in A) does the phone draw from its battery? (b) Calculate the energy (in J) stored in a fully charged battery if the phone requires charging after 6.43 hours of use.
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 61P
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![A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on 3.80 V.
HINT
(a) What average current (in A) does the phone draw from its battery?
(b) Calculate the energy (in J) stored in a fully charged battery if the phone requires charging after 6.43 hours of use.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F01676dd8-8967-4e18-8863-6611daec7c9f%2Ff21ef325-7e3e-4f01-9dc3-b06232a107ae%2Fstyjbsb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A typical cellular phone consumes an average of about 1.26 W of electrical power and operates on 3.80 V.
HINT
(a) What average current (in A) does the phone draw from its battery?
(b) Calculate the energy (in J) stored in a fully charged battery if the phone requires charging after 6.43 hours of use.
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