In work with alternating current, complex numbers are used to describe current I, voltage E, and impedance Z. These three quantities are related by the equation E = IZ. Solve the equation E = IZ for the missing variable.I = 7 + 2i, Z = 5 + 4i

A. E = 35 + 8i
B. E = 43 + 38i
C. E = 27 + 38i
D. E = 35 + 46i


Answer: C

Mathematics

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