A 220- resistor is connected across an ac voltage source v = (150 v) sin [2pi(60 hz)t]. what is the average power delivered to this circuit?

Respuesta :

The average power delivered to this circuit is 51.1 W.

Average power delivered to this circuit

The average power delivered to this circuit is calculated as follows;

P = v²(rms)/R

v(rms) = 0.7071v₀

where;

  • v₀ is peak voltage
  • v(rms) is the root mean voltage
  • R is resistance of the circuit

Substitute the given parameters and solve for average power

v(rms) = 0.7071v₀

v(rms) = 0.7071(150 V)

v(rms) = 106.1 V

Power = (106.1²) / (220)

Power = 51.2 W

Thus, the average power delivered to this circuit is 51.1 W.

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