Three similar cells, each of emf 2V and internal resistance send the same current through an external resistance of 2 when connected in series or in parallel. The strength of current flowing through the external resistance is |
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a) |
0.75 A |
b) |
1 A |
c) |
1.5 A |
d) |
zero |
Three similar cells, each of emf 2V and internal resistance send the same current through an external resistance of 2 when connected in series or in parallel. The strength of current flowing through the external resistance is |
|||||||
a) |
0.75 A |
b) |
1 A |
c) |
1.5 A |
d) |
zero |
(a) In series, …(i) In parallel, …(ii) From Eqs. (i) and (ii), From eqs. (i), |