Neco 2020 Physics Question 44
Practice objective / multiple choice question 44 from the 2020 Neco Physics examination.
A solenoid of length \(l = 0.50\ \text{m}\) contains \(N_{1}=500\) turns and carries an alternating current \(I(t)=I_{0}\sin(2\pi f t)\) with amplitude \(I_{0}=5\ \text{A}\) and frequency \(f=50\ \text{Hz}\). A rectangular coil of \(N_{2}=200\) turns and area \(A=0.020\ \text{m}^{2}\) is placed with its plane perpendicular to the axis of the solenoid at its midpoint. The coil is connected to a resistor of resistance \(R=8\ \Omega\). (a) Determine the maximum emf induced in the coil. (b) Calculate the average power dissipated in the resistor.
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About This Question
This is Neco 2020 Physics Question 44. It is one of the objective questions from the 2020 Neco Physics examination.
Difficulty level: Hard .
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