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A fan with a resistance of 20 Ω is connected to a power supply. The current flowing through the circuit is 2.5 A.

What is the voltage of the power supply?

(1 point)

8.0 V
8.0 V

22.5 V
22.5 V

17.5 V
17.5 V

50.0 V

Respuesta :

GeorgePP

Answer: 50V

Step-by-step explanation:

Use Ohm's Law, which states that the voltage is proprtional to the current. The proprtionality constant is the resistance:

[tex]V=IR[/tex]

We are given the resistance in Ohms, and the current in Amps. Therefore:

[tex]V=(2.5)(20)=50V[/tex]

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