In the given circuit potential of the point A is 9 V higher than potential of the point B. Choose correct alternative (s)

Options

A. Value of resistance R is `1Omega`
B. Value of resistance R is `7Omega`
C. Magnitude of potential difference between B and D is 30 V.
D. magnitude of potential difference between B and C is 15 V.

Answer

B, C

Explanation

`impliesI=(24+15-6)/(R+1+2+1)`
`V_(A)-V_(B)=6+lr`
`implies9=6+(33)/(R+4)`
`impliesR=7Omega`
`impliesV_(80)=15-3(2)=9V`
`impliesV_(80)=30V`