A solenoid with 425 turns has a length of 5.00 cm and a cross-sectional area of 2.70 ✕ 10−9 m2. 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 7.33 ✕ 10−3 s.   (a) the solenoid's inductance (in H)     (b) the average emf around the solenoid (in V)

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A solenoid with 425 turns has a length of 5.00 cm and a cross-sectional area of 2.70 ✕ 10−9 m2. 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 7.33 ✕ 10−3 s.

 

(a)
the solenoid's inductance (in H)
 
 
(b)
the average emf around the solenoid (in V)
Expert Solution
Step 1

Given:

Number of turns N=425L=5.00cm=0.05mA=2.70×10-9m2I=+8A in t=7.33×10-3 s

To find:

(a) The solenoid's inductance in H

(b) The average emf around the solenoid (in V)

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