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.

Question

05-06-2024
Physics

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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.

Sagot :

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