In Fig. 27-29, circuit section AB absorbs energy at a rate
Chapter , Problem 11(choose chapter or problem)
In Fig. 27-29, circuit section AB absorbs energy at a rate of 50 W when current i ! 1.0 A through it is in the indicated direction. Resistance R ! 2.0 0. (a) What is the potential difference between A and B? Emf device X lacks internal resistance. (b) What is its emf? (c) Is point B connected to the positive terminal of X or to the negative terminal? i A B R Figure 27-29 11
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