A, B, C and D are four resistances of 4,4,4 and `8Omega` respectively. They are used to form a Wheatstone bridge. The resistance D is short circuited with a resistance R in order to get the bridge balanced the value of R will be

Options

A. `4Omega`
B. `6Omega`
C. `8Omega`
D. `3Omega`

Answer

C