Physics · Electrostatics
The average value of the electrostatic field Eav over the volume V of a sphere due to a point charge q located somewhere within the sphere at a position r0 (with respect to the center) is given by which expression?
- 1Eav = - (q r0) / (3 ε0 V)✓
- 2Eav = - (q r0) / (4 π ε0 V)
- 3Eav = (q r0) / (3 ε0 V)
- 4Eav = (q r0) / (4 π ε0 V)
Correct answer
Eav = - (q r0) / (3 ε0 V)
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