A Mystery EMF Device In the figure, circuit section AB absorbs energy at a rate of 15.8 W when Let us assume that emf device X lacks internal resistance. current i = 2.54 A through it is in the indicated direction. Resistance R = What is its emf? 6.37 0. C 3.80 V 15.6 V 22.4 V X 9.96 V A R B 31.9 V Previous NextA Mystery EMF Device In the figure, circuit section AB absorbs energy at a rate of 15.8 W when current i = 2.54 A through it is in the indicated direction. Resistance R = Is point B connected to the positive terminal of X or to the negative terminal? 6.37 0. the negative terminal KID the positive terminal We cannot answer this question without more information. X A R B 190 Previous Next