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A microwave oven has a power of 1800 W and the potential difference applied from the mains is 230 V. What are its current and resistance?

Respuesta :

Hi1315

Answer:

I = 7.826A

R = 29.38 Ω

Explanation:

First, let us find the current of the microwave.

Let us use the below formula for that.

Power = Voltage × Current

Current = Power ÷ Voltage

             = 1800w ÷ 230v

             = 7.826 A

And now let us find the resistance using the below formula.

Voltage = Current × Resistance

Resistance = Voltage ÷ Current

                   = 230V  ÷ 7.826A

                    = 29.38 Ω

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