Question

If two cells of emf 10 volt and 20 volt whose internal resistance are 4 ohm and 6 ohm are connected in
parallel the equivalent emf of cell is
O
16 volt
O
30 volt
0
20/3 volt
o
21 volt​

Answer 1

Answer:

your option is wrong

correct answer is 14 v

Explanation:

formula is

net emf :e1r2+e2r1/r1+r2