Calculating Resistance of a Lamp

Understanding Ohm's Law

Ohm's Law: Resistance (R) equals Voltage (V) divided by Current (I).

Given data: Voltage (V) = 115 volts, Current (I) = 0.25 amperes

Using the formula: R = V / I

Substitute the values: R = 115 / 0.25 = 460 ohms

Therefore, the resistance of the lamp is 460 ohms.

When calculating resistance, it is important to remember Ohm's law and how to apply it in different electrical circuits.

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