Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Identify the correct formula for electric power expressed only in terms of current
I
I
I
and resistance
R
R
R
. a)
I
2
R
2
\dfrac{I^{2}R}{2}
2
I
2
R
b)
2
I
2
R
2I^{2}R
2
I
2
R
c)
I
2
R
I^{2}R
I
2
R
d)
2
I
2
R
\sqrt{2}\,I^{2}R
2
I
2
R
Browse the problem library