A point charge has a charge 5.00 x 10-11C. At what distance from the point charge is electric potential 60 V? Take the potential to be zero at infinite distance from the charge.

A uniformly charged insulating rod of length 12.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -6.50 µC. Find the electric potential at 0, the center of the semicircle. MV

A point charge has a charge of 2.50 X 10-11 C. At what distance from the point charge is the electric potential a) 90.0 V? b) 30.0 V? Take the potential to be zero at an infinite distance from the charge.

A total charge of -94.0 nC is uniformly distributed throughout a non-conducting sphere with a radius of 5.00 cm. The electric potential at r = 15.0 cm, relative to the potential far away, is _______ V.

A charge Q is distributed around the perimeter of a ring of radius R. Determine the electric potential difference between the point at the center of the ring and a point on its axis at distance 17R from the center.

Consider a point charge of value 59 × 10-5 C.    Part (a)  At what distance from the 59 × 10-5 C point charge does the potential equal 68 V?  r=    m  Part (b)  If measured from a distance of 6 m from the point charge, what is the potential.  V =    V  Part (c)  Calculate the difference in potential energy (in eV) experienced by an electron that moves between the distances in parts (a) and (b).  ΔPE=    eV

A -3.0 nC charge is on the x-axis at x = -9 cm and a +4.0 nC charge is on the x-axis at x = 16 cm. At what point or points on the y-axis is the electric potential zero?

Five particles with equal negative charges 2q are placed symmetrically around a circle of radius R. Calculate the electric potential at the center of the circle.

A charge of uniform density (56 nC/m) is distributed along the x axis from the origin to the point x = 15.1 m. What is the electric potential (relative to zero at infinity) at a point, x = 70.8 m, on the x axis?

Two 15 µC charges, one negative and one positive, are spaced 50 cm apart, what is the electric potential at the middle point between the two?