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Two cells of equal  and of internal resistance  and  are connected in series. On connecting this combination to an external resistance  it is observed that the potential difference across the first cell becomes zero. The value of  will be

a)

b)

c)

d)


Question ID - 150373 | SaraNextGen Answer

Two cells of equal  and of internal resistance  and  are connected in series. On connecting this combination to an external resistance  it is observed that the potential difference across the first cell becomes zero. The value of  will be

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Let the voltage across any one cell is  then

But



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