Question

If three cells are connected in parallel as shown in figure, then equivalent emf would be:

• A. \(E_{eq}=\displaystyle\sum_{i=0}^{3}E_i/r_i/\displaystyle\sum_{i=0}^{3}r_i\)
• B. \(E_{eq}=\displaystyle\sum_{i=0}^{3}r_i/E_i/\displaystyle\sum_{i=0}^{3}1/E_i\)
• C. \(E_{eq}=\displaystyle\sum_{i=1}^{3}E_i/r_i/\displaystyle\sum_{i=1}^{3}1/r_i\)
• D. \(E_{eq}=\displaystyle\sum_{i=1}^{3}r_i/E_i/\displaystyle\sum_{i=1}^{3}r_i\)

Answer 1

The Correct Option is C

The correct option is(C):\(E_{eq}=\displaystyle\sum_{i=1}^{3}E_i/r_i/\displaystyle\sum_{i=1}^{3}1/r_i\)