Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 26 - Current and Resistance - Problems - Page 768: 45a

Answer

10.87 A or 10.9 A

Work Step by Step

The formula that connects Power (P), Voltage (V) and Current (I) is P=VI According to the data provided in the question, P=1250 W V=115 V I=? To find I, we must first make I the subject of the above mentioned equation. Therefore, the formula now becomes, I=$\frac{P}{V}$ Substituting the values of P and V in the equation, I is calculated to be 10.87 A Therefore, I= 10.87 A or 10.9 A
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