2 1: Daniell cell having electrodes of zinc and
copper dipping in the solutions of their
respective salts salt
bridge
Zn
Cu
anode
cathode
current
ZnSO4
CuSO4
E
<
ext 1 1V
e
-ve
+ve
I=0
Zn
Cu
ZnSO4
CuSO4
E
ext=
1