Flag Electric Current> ‘n' identical cells are joined in series ...
question mark

‘n' identical cells are joined in series with two cells A and B with reverse polarities. Calculate the potential difference across the cell A and B .

Rai , 8 Years ago
Grade 12
anser 1 Answers
Vikas TU

Last Activity: 8 Years ago

Asuming internal resistances be r and emf e for each cell joined in series.
then Total emf = ne
total resistance = nr
Total Potential Differnce,
(n-2)e – 2e = e(n-4)
V = ir + e
 = 2e(1-2/n)

star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments