Theory & DesignPregunta 92 de 110
An AC circuit at 240 V draws 12 A. What is the circuit impedance?
a.2 ohms
b.0.05 ohms
c.288 ohms
d.20 ohms
Explicación
By Ohm's law for AC, Z = V / I = 240 / 12 = 20 ohms.
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