Question

What voltage is needed to pass a current of 0.5A through a 5k Ω resistor? Show your solution

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Answer 1

V = 2500V

Step-by-step explanation:

Given the following data;

Current = 0.5A

Resistance = 5K ohms = 5*10³ = 5000 ohms

To find the voltage;

Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by the formula;

`V = IR`

Where;

• V represents voltage measured in voltage.

• I represents current measured in amperes.

• R represents resistance measured in ohms.

Substituting into the equation, we have;

`V = 0.5 * 5000`

V = 2500 V.

Therefore, the voltage needed to pass the current is 2500 volts.