A) 72 Wh
B) 72 kJ
C) 7200 J
D) 72 kJh
Correct Answer: B
Solution :
(b) 72 kJ Here, \[l=2A,R=10\,\Omega \] Energy dissipated \[={{l}^{2}}Rt\] \[={{(2)}^{2}}\times 10\times (0.5\times 3600)\] \[=72000\text{ }J\] \[=72\text{ }kJ\]
You need to login to perform this action.
You will be redirected in
3 sec
