A) H/18
B) H/9
C) 6H
D) 18H
Correct Answer: A
Solution :
We know \[H=\frac{{{V}^{2}}}{R}\] Here, in second condition V becomes \[\frac{V}{3}\] and R becomes 2R. So, \[H=\frac{{{\left( \frac{V}{3} \right)}^{2}}}{2R}=\frac{{{V}^{2}}}{18R}\] \[H=\frac{H}{18}\]You need to login to perform this action.
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