An Electric Field of 4 $\mu$ V/m Is Induced at a Point 2

question 71

Multiple Choice

An electric field of 4.0 $\mu$ V/m is induced at a point 2.0 cm from the axis of a long solenoid (radius = 3.0 cm,800 turns/m) .At what rate is the current in the solenoid changing at this instant?

• A)0.50 A/s
• B)0.40 A/s
• C)0.60 A/s
• D)0.70 A/s
• E)0.27 A/s

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