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The relationship between voltage, E, current, I, and resistance, Z, is given by the equation E = IZ. If a circuit has a current I = 3 + 2i and a resistance Z = 2 – i, what is the voltage of the circuit? 4 – i

Respuesta :

E=IZ=(3 + 2i)(2 – i)=3*2-3i+2i*2-2i*i =6 - 3i+4i -2i²=6-2i²- 3i+4i =6+2+i=8+i

i²=-1

E=8+i

Answer:

C. 8+i

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Step-by-step explanation: