needhelp4813 needhelp4813
  • 11-02-2020
  • Physics
contestada

An ac voltage, whose peak value is 250 V , is across a 330-Ω resistor. Part A What is the peak current in the resistor?

Respuesta :

welltododevon welltododevon
  • 14-02-2020

Answer:

Peak current is 0.75 A

RMS voltage is 176.77 V

RMS current is 0.53 A

Explanation:

Peak current is

[tex]I=\frac{V}{R} \\\\I=\frac{250}{330}\\I=0.75 A[/tex]

RMS voltage is

[tex]V_{RMS}=\frac{V}{\sqrt{2} } \\V_{RMS}=\frac{250}{\sqrt{2} }\\V_{RMS}=176.77 V[/tex]

RMS current is

[tex]I_{RMS}=\frac{V_{RMS}}{R} \\I_{RMS}=\frac{176.77}{330} \\I_{RMS}=0.53 A[/tex]

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