Question 3: (7 points). Consider a point charge q 10 C a) What is the flux 4 pas

Question

Question 3: (7 points). Consider a point charge q 10 C a) What is the flux 4 passing through a spherical shell of radius R 10 cm with the point charge at its center? b) What is the flux passing through a spherical shellof Radius Ra1 m with the point charge at its center? Hint: For the simple charge, the electric field isin the radial direction r, which is exactly the same as the normal to the surface (the spherical shell) ii .Also, the electricfield is constant on the shell (since the shell represents a constant value of raRRis a constant). The electric field of a simple charge at distance r from the charge E(r) flux ECR), fidA f radius dA for a spherical shelloff radius R area of spherical shell 4aRz Bonus part. 2 points. Assume now that that point charge is surrounded by a cubic shell as shown, with the charge at its What is the flux f passing through the cubic shell? (Hint: The flux represents the number offield lines passing through a surface, think about that!)

Explanation / Answer

Flux is defined as charged enclosed.

In all three cases flux = charge enclosed = 10C

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