A long, thin solenoid has 878 turns per meter and radius4cm . The current in the

ID: 1391336 • Letter: A

Question

A long, thin solenoid has 878 turns per meter and radius4cm . The current in the solenoid is increasing at a uniform rate of 64.7A/s .

Part A

What is the magnitude of the induced electric field at a point 1.39cm from the axis of the solenoid?

Part B

What is the magnitude of the induced electric field at a point 5.6cm from the axis of the solenoid?

Part C

What is the maximum induced electric field by this solenoid? Here you need to ask yourself where the maximum induced electric field would be.

By the Maxwell-Faraday equation,
? E ? ds = - ? ?B/?t ? dS

B = (?o)(n)(I)
?B/?t = (?o)(n)(dI/dt)
?B/?t = (1.257e-6 N/A

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