leviiitrynahelpyouu
leviiitrynahelpyouu leviiitrynahelpyouu
  • 12-01-2021
  • Physics
contestada

Extra (1): A hair dryer bears the inscriptions(220V-1500W)
a. What do these inscriptions mean?
b. What current would it carry in normal functioning?​

Respuesta :

rafaleo84
rafaleo84 rafaleo84
  • 12-01-2021

Answer:

See the answers below.

Explanation:

a)

The dryer plate indicates that the estimated power is 1500 [W] and operates connected to the mains with an electrical voltage of 220 [V]

b)

The electrical current is determined by the following expression:

[tex]P=V*I[/tex]

where:

V = voltage = 220 [V]

I = current [amp]

P = power [W]

[tex]1500=220*I\\I=6.81[amp][/tex]

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