What Voltage is Required to Produce 0.25A of Current Through a 4800-Ohm Resistor?

What voltage will produce 0.25A of current through a 4800-ohm resistor?

To determine the voltage required to produce 0.25A of current through a 4800-ohm resistor, we can use Ohm's Law, which states that the voltage (V) across a resistor is equal to the product of the current (I) flowing through it and the resistance (R) of the resistor. Mathematically, this can be represented as V = I * R. In this case, we are given that the current (I) is 0.25A and the resistance (R) is 4800 ohms. Plugging these values into the formula, we get V = 0.25 * 4800 = 120 volts. Therefore, the voltage required to produce 0.25A of current through a 4800-ohm resistor is 120 volts.

Understanding Ohm's Law

Ohm's Law is a fundamental principle in the field of electrical engineering that describes the relationship between voltage, current, and resistance in an electrical circuit. It is named after the German physicist Georg Simon Ohm, who first formulated this relationship in the early 19th century.

Formula for Ohm's Law

Ohm's Law is expressed as V = I * R, where V represents voltage (in volts), I represents current (in amperes), and R represents resistance (in ohms). This formula is used to calculate the voltage, current, or resistance in a circuit when the other two values are known.

Calculating Voltage for Given Current and Resistance

In the scenario provided, we are given a current of 0.25A and a resistance of 4800 ohms. By substituting these values into the Ohm's Law formula V = I * R, we can calculate the voltage required to produce the specified current through the resistor.

Application of Ohm's Law

Understanding Ohm's Law is essential for engineers, technicians, and hobbyists working with electrical circuits. By applying this principle, they can analyze and design circuits, troubleshoot electrical issues, and ensure the proper functioning of electronic devices.