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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



Question ID - 150241 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

In series, …(i)

In parallel,     …(ii)

From Eqs. (i) and (ii),

From eqs. (i),

127 votes


127