Question on: SS2 Physics - Electricity and Magnetism
A magnetic field is changing at a rate of 0.2 T/s. If the number of turns in a coil is 100 and the area of the coil is 0.05 m², what is the magnitude of the induced EMF in the coil?
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The induced EMF can be calculated using the formula: EMF = -N x (ΔΦ/Δt), where N is the number of turns and ΔΦ/Δt is the rate of change of magnetic flux.
Given: N = 100 turns, ΔΦ/Δt = 0.2 T/s, A = 0.05 m²
Substituting the values into the formula:
EMF = -100 x (0.2 T/s) = -20 V
The magnitude of the induced EMF in the coil is 20 V.
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