Electric 25011

How much voltage do we measure on a 400Ω resistor when an electric current of 55 mA passes through it?

Correct answer:

U =  22 V

Step-by-step explanation:

R=400 Ω I=55 mA A=55:1000  A=0.055 A  I=U/R  U=R I=400 0.055=22 V



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