12th Class Physics Sample Paper Physics Sample Paper-3

  • question_answer State the condition for maximum current to be drawn from a cell.


    Current drawn from a cell of emf E and internal resistance r in an external resistance R is,             \[I=E/R+r\] For maximum current, the external resistance R should be zero, i.e. the terminals of a cell must be short circuited.

You need to login to perform this action.
You will be redirected in 3 sec spinner