Self-Induced EMF in a Solenoid
The current I in a solenoid with 800 turns, a length of 25 cm, and a radius of 2.0 cm is given as a function of time t by I(t) = 5.0(1-e⁻ᵗ) A. What is the maximum magnitude of the self-induced emf in the solenoid?
A
3.2 × 10⁻³ V
B
5.0 × 10⁻³ V
C
2.0 × 10⁻² V
D
8.0 × 10⁻⁴ V
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