Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Our platform offers a seamless experience for finding reliable answers from a network of experienced professionals. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.


A solenoid consists of 112 turns of wire and has a length of 12 cm.

i. Find the magnetic field inside the solenoid when it carries a current of 0.72 A.

ii. If the magnetic field outside the solenoid is considered negligible, explain why this is the case and under what conditions this approximation is valid.