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The figure shows a graph of the output from an AC voltage source.

A. What is the maximum voltage Vmax of the source?

B. What is the average voltage Vavg of the source?

C. What is the root-mean-square voltage Vrms of the source?

D. What is the period T of the source?

E. What is the frequency f of the source?

_{av }= V

^{2 }÷ Z

A) Here the voltage oscillates between Vmax and -Vmax

So Vmax = 4V

B) Vavg = (4-4)/2 = 0/2 = 0 V

C) Vrms =Vmax/sqrt(2) = 3/1.414 = 2.83

D) Period T = 7.6-2 = 5.8 sec

E) frequency = 1/T = 0.56 = 0.178 H