How much current will an electric heater draw from 220v , if the resistance of the heater is 40 ohms ?

1 Answer
Jun 25, 2018

#5.5# amperes.

Explanation:

Current is given by the equation:

#I=V/R#

where:

  • #I# is the current in amperes

  • #V# is the voltage in volts

  • #R# is the resistance in ohms

So, we get:

#I=(220 \ "V")/(40 \ Omega)#

#=5.5 \ "A"#