Respuesta :
If Commercial electrolytic cells for producing aluminum operate at 5.0 V and 100,000 A. The electrical power (in kilowatt-hour) used is 500kW.
What is electric power?
Electric power is defined as the rate per unit time, at which the electrical energy is supplied by an electric circuit.
The SI unit of electric power is the Watt. One watt is defined as joule per unit time. Electric power is produced by electric generators and supplied by sources such as electric batteries.
Mathematically,
Power = current × voltage
What is voltage?
The potential difference between two different point or terminal of rod or batteries is called voltage.
What is current?
The rate of flow of electric charge is called current.
Given,
current = 100000 A
voltage = 5V
By substituting the values, we get
P = 5 × 100000
= 500000 W
= 500 kW.
Thus, we calculated that the electrical power (in kilowatt-hour) used is 500kW.
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