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Which consequence results when a bistable microrelay experiences rapid thermal cycling?

A)Stiction overcomes restoring force
B)Creep shortens component's electrical lifespan
C)Dielectric properties proportionally improve
D)Quantum tunneling abruptly ceases function

💡 Explanation

As temperature changes, cyclical thermal expansion and contraction causes increased adhesion. Surface adhesion (stiction) weakens the restoring force from the structure because differential expansion leads to contact area growth, therefore microrelay position sticks rather than properly switching under designed force thresholds.

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