4. Um chuveiro elétrico instalado em uma rede de
220 V, quando em funcionamento, é percorrido
por uma corrente elétrica de intensidade 20 A.
Determine a energia elétrica consumida, em
quilowatt-hora, durante um banho com duração
de 15 min.

Explanation:

The question is:

1. Data:

a) V = 220V

b) I = 20 A

c) E = ?

2. Physical principles and formulae

Power, P, is equal to the product of the potential difference, V, by the current, I:

The energy, E, is equal to the product of the power, P, and the time, t:

3. Solution

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic