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How does a modern dimmer switch control the brightness of lights?

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Correct Incorrect Modern dimmer switches reduce the brightness of lights by rapidly turning the circuit on and off, rather than lowering the wattage. This fast switching method helps to reduce light intensity while also improving energy efficiency.

How does a modern dimmer switch control the brightness of lights?

• By turning the light circuit on and off at a high frequency
• By adjusting the electrical voltage that flows to the bulb
• By reducing the amount of current passing through the bulb
• By using smart technology to adjust brightness remotely