A cloud is at a potential of 8×10
6 volt relative to the ground. A charge of 80 coulomb is transferred in lightening stroke between the cloud and the ground. Assuming the potential of the ground to remain constant the energy dissipated is
A)6.4×10
8 Joule
B)6.4×104 Joule
C)105 Joule
D)107 Joule