studentonearth
studentonearth studentonearth
  • 25-04-2020
  • Physics
contestada

An electrical appliance has a resistance of 40 Ω. When this electrical appliance is connected to a 220 V supply line, the current passing through it will be: a) 6.5 A b) 5.5 A c) 8000A d) 0.18A

Respuesta :

dododemy76 dododemy76
  • 25-04-2020

Answer:

b) 5.5 A

Explanation:

Use Ohm's Law to solve for I:

I=V/R

V is voltage and R is resistance

V=220V

R= 40 Ω

I=220V/40Ω

I= 5.5 Amps

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