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16-03-2022
Physics

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GUYS PLS HELP ME I HAVE A TEST

A 1100 W hairdryer is used on the 230 V mains supply. What is the current supplied?
Use the formula sheet.

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evgeniylevi evgeniylevi

16-03-2022

Answer:

4.78 [A].

Explanation:

1) formula: P=U*I, where P - power (1100W), I - current, U - voltage;

2) according to the formula above:

I=P/U; ⇒ I=1100/230≈4.78 [A].

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