Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A
500
W
500\,\text{W}
500
W
electric heater is switched on for
3
h
3\,\text{h}
3
h
. Answer the following: a. (a) Calculate the electrical energy consumed in kilowatt-hour (kWh). b. (b) Express this energy in joule.
Browse the problem library