Question

How many amperes will a $10\overline0-\mathrm{W}$ lamp draw on a $110-\mathrm{V}$ line?

   How many amperes will a $10\overline0-\mathrm{W}$ lamp draw on a $110-\mathrm{V}$ line?

Applied Physics

Applied Physics

Dale Ewen, Neill… 10th Edition

Chapter 17, Problem 42

Instant Answer

Solved by Expert Prabhu Ramji

07/09/2021

Step 1

Step 1: We know that the power dissipated by the lamp is given by the formula: \[ P = V \cdot I \] where \( P \) is the power, \( V \) is the potential difference, and \( I \) is the current. Show more…

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How many amperes will a $10\overline0-\mathrm{W}$ lamp draw on a $110-\mathrm{V}$ line?

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Key Concepts

Electric Power

Electric power represents the rate at which electrical energy is transferred by an electrical circuit. It is measured in watts and is commonly used to quantify the energy consumption or output of devices. Understanding power helps in determining how much work an electrical device can perform over time.

Voltage-Current Relationship

The relationship between voltage, current, and power is summarized by the equation P = IV, where P is power in watts, I is current in amperes, and V is voltage in volts. This concept is central in electrical circuit analysis because it allows one to determine any of the three quantities if the other two are known, facilitating the design and understanding of electrical systems.

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