Neco 2025 Physics Question 39
Practice objective / multiple choice question 39 from the 2025 Neco Physics examination.
A rectangular coil of 5 turns has sides a = 0.12\,m and b = 0.08\,m. The coil is moved with constant speed v = 0.25\,m\,s^{-1} into a region of uniform magnetic field B = 0.50\,T, the side of length a being parallel to the direction of motion. The coil's resistance is R = 2.0\,\Omega. Determine the total electrical energy converted to heat in the coil after it has completely entered the field. Give your answer in joules, correct to three significant figures.
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About This Question
This is Neco 2025 Physics Question 39. It is one of the objective questions from the 2025 Neco Physics examination.
Difficulty level: Hard .
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