Question
A conducting loop has an area of $7.4 \times 10^{-2} \mathrm{~m}^{2}$ and a resistance of $110 \Omega$. Perpendicular to the plane of the loop is a magnetic field of strength $0.48 \mathrm{~T}$. At what rate (in $\mathrm{T} / \mathrm{s}$ ) must this field change if the induced current in the loop is to be $0.32 \mathrm{~A}$ ?
Step 1
32 \, \text{A}$, the resistance $R = 110 \, \Omega$, and the area $A = 7.4 \times 10^{-2} \, \text{m}^2$. We can use Ohm's law to find the induced electromotive force (EMF), which is given by $E = IR$. Show more…
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