Question

If 20 dry cells each of e.m.f. 1.5V are connected in series then what is resultant
voltage (P.D)?​

Answer 1

Answer:

10

Explanation:

In series

i=

0.6 =

nE

nr+R

пx 1.5

nx 0.5+ 20

0.3n12 1.5n

1.2n = 12

n= 12/1.2

n= 10