Two hemispherical surfaces, 1 and 2, of respective radii r1 and r2, are centered at a...
Two hemispherical surfaces, 1 and 2, of respective radii r1 and r2, are centered at a point charge and are facing each other so that their edges define an annular ring (surface 3), as shown. The field at position r⃗ due to the point charge is:
E⃗ (r⃗ )=Cr2r^
where C is a constant proportional to the charge, r=∣∣r⃗ ∣∣, and r^=r⃗ /r is the unit vector in the radial direction.
a- What is the electric flux Φ3 through the annular ring, surface 3?
b- What is the electric flux Φ1 through surface 1?
c-What is the electric flux Φ2 passing outward through surface 2?
Homework Answers
1) What is the electric flux Φ3 through the annular ring, surface 3
Φ3 = 0
2) What is the electric flux Φ1 through surface 1
Φ1 = 2πC
3) What is the electric flux Φ2 passing outward through surface 2
Φ2 = 2πC
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