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Which mechanism undermines magnetic confinement in fusion reactors?

A)Curvature gradient drift instability
B)Bootstrap current disruption mode
C)Resistive tearing mode formation
D)Alfvén wave heating resonance

💡 Explanation

Resistive tearing mode causes magnetic island formation leading to field line reconnection and plasma escape from the reactor, because it undermines containment by disrupting field topology; therefore leading to confinement loss, rather than instabilities from particle drift causing minor losses.

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