APFIVE Self-Induced EMF in a Solenoid
A solenoid has 800 turns, length 25 cm, and radius 2.0 cm. If the current through the solenoid changes according to I(t) = 5.0(1-e⁻ᵗ) A, where t is in seconds, what is the maximum magnitude of the self-induced emf?
A
8.0 × 10⁻⁴ V
B
2.0 × 10⁻² V
C
3.2 × 10⁻³ V
D
5.0 × 10⁻³ V
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