## Questions 19-21
In the circuit above, the emf's and the resistances have the values shown. The current I in the circuit is 2 amperes.
21. How much energy is dissipated by the 1.5 -ohm resistor in 60 seconds?
A) 6 J
B) 180 J
C) 360 J
D) 720 J
E) 1,440J