A Series Circuit Consists of a Battery with Internal Resistance

Multiple Choice

A series circuit consists of a battery with internal resistance r and an external resistor R.If these two resistances are equal (r = R) then the energy dissipated per unit time by the internal resistance r is:

A) the same as by R
B) half that by R
C) twice that by R
D) one third that by R
E) unknown unless the emf is given