Chapter 2: Q10P (page 70)
A charge q sits at the back comer of a cube, as shown in Fig. 2.17.What is the flux of E through the shaded side?
Short Answer
The electric flux through the shade area is.
Chapter 2: Q10P (page 70)
A charge q sits at the back comer of a cube, as shown in Fig. 2.17.What is the flux of E through the shaded side?
The electric flux through the shade area is.
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Get started for freeFind the net force that the southern hemisphere of a uniformly charged solid sphere exerts on the northern hemisphere. Express your answer in terms of the radius R and the total charge Q.
(a) Consider an equilateral triangle, inscribed in a circle of radius a,with a point charge qat each vertex. The electric field is zero (obviously) at the center, but (surprisingly) there are three otherpoints inside the triangle where the field is zero. Where are they? [Answer: r= 0.285 a-you'llprobably need a computer to get it.]
(b) For a regular n-sided polygon there are npoints (in addition to the center) where the field is zero. Find their distance from the center for n= 4 and n= 5. What do you suppose happens as ?
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Where and are constants. Find the electric field, the charge density,and the total charge.
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Use your result in Prob. 2.7 to find the field inside and outside a solidsphere of radius that carries a uniform volume charge density.Express your answers in terms of the total charge of the sphere,.Draw a graph of lEIas a function of the distance from the center.
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