Which outcome occurs when a strong external alternating magnetic field induces eddy currents inside a solid aluminum rotor?

💡 Explanation

The rotor accelerates in the same direction as the rotating field because Lenz's law dictates the direction of the induced eddy currents, therefore the rotor turns rather than remaining stationary or accumulating charge due to inductance.

• Which effect emerges when decreasing laser cavity length?
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• Which outcome results when increasing the plate separation in a charged parallel-plate capacitor?
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• Which outcome will arise if a high-intensity UV light source degrades a polycarbonate lens by chain scission?