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Which outcome occurs when gallium-arsenide transistors experience quantum tunneling?

A)Increased off-state leakage current
B)Improved high-frequency performance
C)Reduced channel length modulation
D)Enhanced carrier mobility observed

💡 Explanation

Increased leakage results because electrons pass barriers via quantum tunneling, even when the transistor is off. Therefore, the off-state current increases, rather than improving performance, due to unwanted conduction.

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