Neco Model Questions Vol1 2018 Physics Question 4

Practice objective / multiple choice question 4 from the 2018 Neco Model Questions Vol1 Physics examination.

Neco Model Questions Vol1 2018 Physics Objective / Multiple Choice Hard Difficulty
Question 4 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • objective

A sphere of radius \(R = 0.10\ \text{m}\) contains a volume charge density that varies with distance from the centre as \(\rho(r)=\rho_{0}\frac{r}{R}\) where \(\rho_{0}=6.0\times10^{-6}\ \text{C m}^{-3}\). Using Gauss's law, find the electric flux through a spherical surface of radius \(r = 0.08\ \text{m}\) centred at the same point.

Answer Options

Correct Answer A. 8.7×10^2 N·m^2·C^{-1}
B. 9.2×10^2 N·m^2·C^{-1}
C. 8.7×10^3 N·m^2·C^{-1}
D. 7.5×10^2 N·m^2·C^{-1}
Correct Answer
A
Correct Option:
8.7×10^2 N·m^2·C^{-1}

About This Question

This is Neco Model Questions Vol1 2018 Physics Question 4. It is one of the objective questions from the 2018 Neco Model Questions Vol1 Physics examination.

Difficulty level: Hard .

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