Question
(I) If the current in a $280 - \mathrm { mH }$ coil changes steadily from 25.0$\mathrm { A }$ to 10.0$\mathrm { A }$ in $360 \mathrm { ms } ,$ what is the magnitude of the induced emf?
Step 1
0 A − 25.0 A = −15.0 A, Δt = 360 ms = 0.360 s, so |ΔI/Δt| = 15.0 / 0.360 = 41.6667 A/s. Show more…
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If the current in a 280 mH coil changes steadily from 25.0 A to 10.0 A in 360 ms, what is the magnitude of the induced emf?
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