Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Which equation gives the energy
E
E
E
converted by a circuit element that operates at a constant power
P
P
P
for a time interval
t
t
t
? a)
E
=
1
2
P
t
E = \dfrac{1}{2} P t
E
=
2
1
P
t
b)
E
=
P
t
E = P t
E
=
P
t
c)
E
=
2
P
t
E = 2 P t
E
=
2
P
t
d)
E
=
2
P
t
E = \sqrt{2}\,P t
E
=
2
P
t
Browse the problem library