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When a resistance of  is connected across the terminals of a cell, the current is  When the resistance is increased to  the current is  The internal resistance of the cell is

a)

b)

c)

d)



Question ID - 150473 | SaraNextGen Top Answer

When a resistance of  is connected across the terminals of a cell, the current is  When the resistance is increased to  the current is  The internal resistance of the cell is

a)

b)

c)

d)

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

(b)

Let the e.m.f. of cell be  and internal resistance be

Then  and

On dividing,

127 votes


127