Question

A battery of emf E and internal resistor r is connected to an external resistance R. (1) Find the value of R so that rate of work done by battery is maximium.(2) Find the value of R so that rate of heat generated in R is maximium. (3) Find the rate of heat generation in r if R is maximium.​

Answer 1

Maybe it's wrong or right...

I don't know because I am in class 8th...