ACT Science Practice Question #1839 (Hard (500)) | Test Citadel
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ACT Science Difficulty: Hard (500)

Digital ACT Science Practice Question #1839

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Based on Table 29, the induced electromotive force (EMF) is: Experiment Context (Electromagnetic Induction in a Wire Coil): Students moved a bar magnet into a 500-turn circular wire coil at various speeds, measuring peak induced voltage (EMF, in volts) with an oscilloscope: Table 29: - Speed = 0.2 m/s: Peak Induced EMF = 0.45 V - Speed = 0.5 m/s: Peak Induced EMF = 1.12 V - Speed = 1.0 m/s: Peak Induced EMF = 2.25 V - Speed = 2.0 m/s: Peak Induced EMF = 4.50 V - Stationary Magnet (0.0 m/s inside coil): Peak Induced EMF = 0.00 V
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Induced EMF is proportional to relative speed.

Masterclass Solution & Distractor Trap Analysis

Doubling speed from 1.0 m/s to 2.0 m/s doubles EMF from 2.25 V to 4.50 V (Faraday's Law)....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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