Neco 2023 Physics Question 48
Practice objective / multiple choice question 48 from the 2023 Neco Physics examination.
A rectangular coil of \(N=50\) turns and area \(A=0.020\,\text{m}^2\) rotates in a uniform magnetic field of magnitude \(B=0.30\,\text{T}\). Its angular speed varies with time as \(\omega(t)=4t\) rad\,s^{-1}. The coil is connected throughout the motion to a resistor of \(R=10\,\Omega\). Determine the total electric charge that passes through the resistor from \(t=0\) to \(t=2\,\text{s}\).
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About This Question
This is Neco 2023 Physics Question 48. It is one of the objective questions from the 2023 Neco Physics examination.
Difficulty level: Hard .
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