1) An insulating ball of radius R (with negligible dielectric properties) has a spherical cavity of...

 

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1) An insulating ball of radius R (with negligible dielectric properties) has a spherical cavity of radius R/2 inside with its center is of distance R/2 from the original center of the ball. The remaining part of the ball is charged with uniform charge distribution po. What is the potential at the center of the cavity? (Hint: First calculate the potential inside a uniformly charged ball by integrating E directly, V = - E -dl). 1) An insulating ball of radius R (with negligible dielectric properties) has a spherical cavity of radius R/2 inside with its center is of distance R/2 from the original center of the ball. The remaining part of the ball is charged with uniform charge distribution po. What is the potential at the center of the cavity? (Hint: First calculate the potential inside a uniformly charged ball by integrating E directly, V = - E -dl).