A long, thin solenoid has 880 turns per meter and radius 2.60 cm . The current in the solenoid is increasing at a uniform rate of 61.0 A/s .
A) What is the magnitude of the induced electric field at a point 0.520 cm from the axis of the solenoid?
B) What is the magnitude of the induced electric field at a point 1.50 cm from the axis of the solenoid?