A long solenoid has a radius of 4.0 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 3.0 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a. 3.9 ´ 10-5 V/m b. 3.3 ´ 10-5 V/m c. 4.2 ´ 10-5 V/m d. 3.6 ´ 10-5 V/m e. 6.0 ´ 10-5 V/m

A long solenoid has a radius of 4.0 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 3.0 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a. 3.9 ´ 10-5 V/m b. 3.3 ´ 10-5 V/m c. 4.2 ´ 10-5 V/m d. 3.6 ´ 10-5 V/m e. 6.0 ´ 10-5 V/m