A set of 'n' equal resistors, of value 'R' each, are
connected in series to a battery of emf 'E' and internal resistance 'R'. The current drawn is I. Now, the 'n' resistors are connected in parallel to the same battery. Then the current drawn from battery becomes 10 I. The value of 'n' is
20
11
10
9
As we have learned
Main current / current from each cell -
- wherein
identical cells which connected in series
Main current -
-
And
Option 1)
20
This is incorrect
Option 2)
11
This is incorrect
Option 3)
10
This is correct
Option 4)
9
This is incorrect