A) \[\frac{\sigma }{{{\in }_{\text{O}}}}\left[ \frac{{{b}^{2}}-{{c}^{2}}}{b}+a \right]\]
B) \[\frac{\sigma }{{{\in }_{\text{O}}}}\left[ \frac{{{b}^{2}}-{{c}^{2}}}{c}+a \right]\]
C) \[\frac{\sigma }{{{\in }_{\text{O}}}}\left[ \frac{{{a}^{2}}-{{b}^{2}}}{a}+c \right]\]
D) \[\frac{\sigma }{{{\in }_{\text{O}}}}\left[ \frac{{{a}^{2}}-{{b}^{2}}}{b}+c \right]\]
Correct Answer: D
Solution :
\[{{V}_{B}}=\frac{{{a}^{2}}\sigma }{{{\in }_{0}}b}-\frac{{{b}^{2}}\sigma }{{{\in }_{0}}b}+\frac{{{c}^{2}}\sigma }{{{\in }_{0}}c}=\frac{\sigma }{{{\in }_{0}}}\left[ \frac{{{a}^{2}}-{{b}^{2}}}{b}+c \right]\]You need to login to perform this action.
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