The tension in the string revolving in a vertical circle with a mass \[m\] at the end which is at the lowest position [EAMCET (Engg.) 1995; AIIMS 2001]

• A.             \[\frac{m{{v}^{2}}}{r}\]
• B.                      \[\frac{m{{v}^{2}}}{r}-mg\]
• C.             \[\frac{m{{v}^{2}}}{r}+mg\]
• D.                      \[mg\]