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← ScienceWhich electronic outcome occurs when doping adjusts semiconductor material at a P-N junction?
A)Depletion region width is modified heavily✓
B)Increased thermal expansion coefficient appears
C)Material tensile strength reaches maximum peak
D)Overall resistance drops immediately to zero
💡 Explanation
Applying a reverse-bias voltage increases the **depletion region** because increased voltage pulls carriers away from the junction. Therefore, the depletion region widens, rather than becoming tensile or superconductive, because equilibrium is disrupted.
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