LaToyaShante7015 LaToyaShante7015
  • 13-12-2019
  • Physics
contestada

A resistor with R = 300 Ω and an inductor are connected in series across an ac source that has voltage amplitude 500 V. The rate at which electrical energy is dissipated in the resistor is 286 W. What is the impedance Z of the circuit?

Respuesta :

obasola1
obasola1 obasola1
  • 13-12-2019

Answer:

Explanation:

impedance z=(XL^2+R^2)^1/2

power across te resistor ==i^2r

286/300

I=.976

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