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← ScienceWhich outcome results if a black hole's ergosphere shrinks?
A)Frame-dragging accelerates at larger radius✓
B)Hawking radiation decreases exponentially nearby
C)The event horizon's area marginally decreases
D)Spacetime curvature increases at longer distances
💡 Explanation
Frame-dragging is amplified if the ergosphere shrinks due to decreased angular momentum according to the equivalence principle; because the principle equates inertial and gravitational mass, therefore frame-dragging increases nearby, rather than other effects at farther ranges or horizons.
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