Neco Model Questions Vol1 2018 Physics Question 17
Practice objective / multiple choice question 17 from the 2018 Neco Model Questions Vol1 Physics examination.
A long solenoid 0.50 m in length has 800 turns and carries a current of 2.0 A.\n(a) Find the magnetic field inside the solenoid.\n(b) A rectangular conducting loop of width 0.10 m and height 0.20 m is placed with one side flush against the end of the solenoid, the plane of the loop parallel to the solenoid axis. The loop is pulled completely out of the solenoid at a constant speed of 0.05 m s⁻¹. Determine the average induced emf in the loop during the extraction.\n(c) If the loop has a resistance of 4 Ω, calculate the total thermal energy generated in the loop during the extraction.
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This is Neco Model Questions Vol1 2018 Physics Question 17. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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