A solenoid with 435 turns has a length of 8.00 cm and a cross-sectional area of 3.00 x 10 m . Find the solenoid's inductance and the average emf around the solenoid if the current changes from +4.00 A to -4.00 A in 7.83 x 10 3s. HINT Apply the expression for the self-inductance of a solenoid and the self-induced emf of an inductor. Click the hint button again to remove this hint. (a) the solenoid's inductance (in H) I (b) the average emf around the solenoid (in V) 4