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Home Q & A Board Science-Related Homework Help Physics
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ang1 ang1
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10 years ago
A rectangular coil with dimensions of 8.0 cm×10 cm is dropped from a zero magnetic field position to a 1.4 T magnetic field in 0.10 s. The coil has 60 turns and is perpendicular to the magnetic field. What is induced emf in the coil as a result of this?

8.6 V
6.7 V
0 V
2.4 V
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#1
Staff Member
Educator
10 years ago
The formula for induced EMF is

ε = NBA/t

ε = (60)(1.4)(.08)(.1)/.2

ε = 3.36 V
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ang1 Authorang1
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#2
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10 years ago Edited: 10 years ago, ang1
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#3
Educator
10 years ago
Thanks for the update, marking this as solved.
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#4
3 years ago
ty
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