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The voltage v(t) shown in Fig. P7.85a is given by the graph shown in Fig. P7.85b. If IL(0) = 0, how much power is supplied by the source at t = 4s? Given L = 5 H and R = 13 Q. i(t) v(1) RΩ v(t) LH (a) 2 i(t) 10 V -10 V (b) Figure P7.85 Notes on entering solution: • Enter your solution in Watts (W) ● Enter your solution to 2 decimal places • Do not include units in your answer • ex. 5 W is entered as 5.00 5 t (s)