Two cells of the same emf 'e' but different internal resistances, r 1 & r 2 are connected in series with an external resistance R
Column-I | Column-II |
(i) value of current through R | [A] potential drop across second cell is zero |
(ii) when external resistance R is r1 – r2 | [B] |
(iii) when external resistance R is r1 + r2 | [C] potential drop across first cell is zero |
(iv) when external resistance R is r2 – r1 | [D] maximum power output across resistance R |
Text Solution
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Ans.
(i) [B]
(ii) [C]
(iii) [D]
(iv) [D]
Sol.
(i) 
(ii) Potential drop across first cell is zero
(iii) Maximum power output across resistance R
(iv) Maximum power output across resistance R
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