The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 is:
1.0
0.2
0.5
0.8
As we discussed in
given
Option 1)
1.0
This option is incorrect.
Option 2)
0.2
This option is incorrect.
Option 3)
0.5
This option is correct.
Option 4)
0.8
This option is incorrect.