Neco Model Questions Vol1 2018 Physics Question 11

Practice objective / multiple choice question 11 from the 2018 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2018 Physics Objective / Multiple Choice Hard Difficulty
Question 11 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A rectangular coil of \(N = 200\) turns and area \(A = 0.020\,\text{m}^2\) rotates at a constant angular speed of \(\omega = 120\pi\,\text{rad\,s}^{-1}\) in a uniform magnetic field of magnitude \(B = 0.50\,\text{T}\). The coil is connected in series with an external resistor of resistance \(R = 10\,\Omega\) and the coil's internal resistance \(r = 2\,\Omega\). Determine the average power dissipated in the external resistor.

Answer Options

A. 1.85×10⁴ W
B. 2.10×10⁴ W
Correct Answer C. 1.97×10⁴ W
D. 2.05×10⁴ W
Correct Answer
C
Correct Option:
1.97×10⁴ W

About This Question

This is Neco Model Questions Vol1 2018 Physics Question 11. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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