A Long Thin Solenoid Has 811 Turns Per Meter And Radius 2 The Current In The Sol

A long, thin solenoid has 811 turns per meter and radius 2.5cm . The current in the solenoid is increasing at a uniform rate of 75.9 A/s. a) What is the magnitude of the induced electric field at a point 0.207 cm  from the axis of the solenoid?

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