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Work out the current through an electric heater with a power of 1.38kW if it uses the 230V mains supply.


Need help quick ty

Sagot :

Answer:

I = 6 A

Explanation:

Given that,

Power of an electric heatr, P = 1.38 kW

The voltage of the mains supply, V = 230 V

We need to find the current through the heater. The electric power in terms of  voltage and current is given by :

[tex]P=V\times I\\\\I=\dfrac{P}{V}\\\\I=\dfrac{1.38\times 10^3}{230}\\\\I=6\ A[/tex]

So, the current through an electric heater is 6 A.

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