If internal resistance of a cell is proportional to current drawn from the cell. Then the best representation of terminal potential difference of a cell with current drawn from cell will be:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Given r ∝ i ⇒ r = ki
V = E – ir = E – i(ki)
V = – i 2 k + E
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