josue7246 josue7246
  • 25-07-2022
  • Physics
contestada

A transformer is connected to 120 volts. find the current if the resistance is 4800-ohms.

Respuesta :

jcherry99
jcherry99 jcherry99
  • 02-08-2022

Answer:

Explanation:

Formula

E = I * R                                      Substitute the givens into the formula

Givens

E = 120 volts

I = ?

R = 4800 0hms

Solution

Ohms law is a 3 letter equation that relates volts ohms (resistance) * current (in amperes)

E = i * R

120 V = I * 4800 ohms               Divide both sides by 4800  

120 V/4800 = I * 4800/4800     Divide

0.025 amps = I

Answer

I = 0.025 amps

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