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A flat coil of wire consisting of 56 turns, each with an area of 39 cm^2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from
3.1 T to 10 T in 5.7 s. If the coil has a total
resistance of 0.56 Ω, what is the magnitude of
the induced current?
Answer in units of A

  • physics -

    cosα=1
    ℇ=ΔΦ/Δt = N•Δ(B•Acosα)/ Δt=
    =N•A•ΔB/Δt
    ℇ=I•R
    N•A•ΔB/Δt= I•R
    I= N•A•ΔB/Δt•R= ...

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