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Which outcome occurs when regenerative braking overcharges an electric vehicle's power control system?

A)Reduced motor torque occurs initially
B)Battery thermal runaway risk rises
C)Drivetrain mechanical stress increases
D)Kinetic energy recapture improves

💡 Explanation

Battery thermal runaway risk rises because overvoltage causes increased internal resistance and subsequent heat via Joule heating; therefore, battery temperature accelerates out of control rather than the managed recharge alternative under designed voltages.

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