1.

A cell of emf ℰ and internal resistance r drives a current i through an external resistance R. (a) The cell supplies ℰ i power. (b) Heat is produced in R at the rate ℰ i.(c) Heat is produced in R at the rate E i (R/R + r)(d) Heat is produced in the cell at the rate ℰ i (r/R + r)

Answer»

Correct Answer is: (a, c & d)



Discussion

No Comment Found