Which outcome occurs when thermal runaway affects LEDs in a series string?

💡 Explanation

Increased temperature in one LED lowers its forward voltage, triggering Thermal Runaway. The "avalanche effect" occurs because current increases through the cooler LEDs as the hot LED resistance decreases, creating excessive power dissipation; therefore, device failure at the most vulnerable point rather than equal output.

• Which outcome occurs when avalanche breakdown arises in a silicon p–n junction designed for a voltage rectifier?
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