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Work out the current through a television with a power of 0.8kw if it uses 230v mains supply. Give your answer to 1 decimal place.

Respuesta :

nekosuzy

Answer:

3.5 A

Explanation:

Current [A] =Electrical power [W] ÷ Potential difference [V]

KW TO W = ×1000

hence,

800W÷230V= 3.5A (1 d.p)

raphealnwobi

The current through a television with a power of 0.8kW if it uses 230V mains supply is 3.5A

Current is as a result of the flow of electrons through a conductor.

Voltage is the difference in potential between two points.

Power is the product of current and voltage. It is given by:

Power(P) = Current(I) * Voltage(V)

Given a power of 0.8 kW = 800W, V = 230 V. Hence:

P = IV

800 = 230I

I = 3.5A

The current through a television with a power of 0.8kW if it uses 230V mains supply is 3.5A

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