Answer
$I=45.6\ A$
Work Step by Step
From the energy balance:
$\dot{W}_e+\dot{m}h_1=\dot{m}h_2$
$VI=\rho\dot{V}c_p(T_2-T_1)$
Given $V=110V\ \rho=1\ kg/L,\ \dot{V}=0.1\ L/s,\ c_p=4.18\ kJ/kg.K,\ T_2=30°C,\ T_1=18°C$:
$I=45.6\ A$
Thermodynamics: An Engineering Approach 8th Edition
by Cengel, Yunus; Boles, Michael
Published by
McGraw-Hill Education
ISBN 10:
0-07339-817-9
ISBN 13:
978-0-07339-817-4
Chapter 5 - Mass and Energy Analysis of Control Volumes - Problems - Page 266: 5-142
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