Resistance 66054

The handset has a resistance of 4000 ohms. Calculate what voltage is connected to them if the current passes 2.5mA.

Correct answer:

U =  10 V

Step-by-step explanation:

R=4000 Ω I=2.5 mA A=2.5:1000  A=0.0025 A  U=I R=0.0025 4000=10 V

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