alcatrazmango5446 alcatrazmango5446
  • 25-06-2019
  • Physics
contestada

A 10 Ω resistor is connected to a 120-V ac power supply. What is the peak current through the resistor?

Respuesta :

aristocles aristocles
  • 05-07-2019

Answer:

Peak current = 16.9 A

Explanation:

Given that

RMS voltage = 120 Volts

[tex]V_{rms} = 120 V[/tex]

AC is connected across resistance

[tex]R = 10 ohm[/tex]

now by ohm's law

[tex]V = i R[/tex]

[tex]120 = i (10)[/tex]

[tex]i_{rms} = \frac{120}{10} = 12 A[/tex]

now peak value of current will be given as

[tex]i_{peak} = \sqrt{2} i_{rms}[/tex]

[tex]i_{peak} = \sqrt2 (12) = 16.9 A[/tex]

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