A point charge Q creates an electric potential of +180 V at a distance of 25 cm . What is Q?
r = 25 cm = 0.25 m
Potential due to point charge, V = kq/r
180 = ( 9x 10^9 x q ) / (0.25 )
q = 5 x 10^-9 C
A point charge Q creates an electric potential of +180 V at a distance of 25...
A point charge Q creates an electric potential of +130 V at a distance of 25 cm . What is Q?
A positive charge Q creates an electric potential of +165 V at a distance of 15 cm. (a) What is the charge Q? Q=2.8nC (b) Determine the electric potential at the same distance (15 cm) if the above charge was a negative charge. E=? (c) If the above +Q and –Q charges are 30 cm apart, calculate the net electric potential at their midpoint location.
A charge Q creates an electric potential of +118.0 V at a distance of 13.5 cm. What is Q in Coulombs?
An object with charge, q, creates a potential, V, at a point in space. What is the distance between the charge and the point in space?
An object with charge, q, creates a potential, V, at a point in space. What is the distance between the charge and the point in space?
The electric potential a distance r from a point charge q is 2.90×104 V . One meter farther away from the charge the potential is 6300 V . Part A Find the initial distance r. r r = m Part B Find the charge q. q q = μC
Question At distance r from a point charge q, the electric potential is 910 V and the magnitude of the electric field is 86 N/C. Determine the value of q. The Coulomb constant is 8.98755 x 10 N m2/C Answer in units of C
Part A What potential difference is needed to give a helium nucleus (Q=2e) 50.0 keV of kinetic energy? A point charge Q creates an electric potential of +125 V at a distance of 20 cm Part B A point charge Q creates an electric potential of +125 V at a distance of 20 cm . What is Q? Express your answer using two significant figures.
An object with charge, q, creates an electric field, E, at a point in space. What is the distance between the charge and the point in space?
23.28:At a certain distance from a point charge, the potential and electric field magnitude due to that charge are 4.98 V and 12.0 V/m, respectively. (Take the potential to be zero at infinity.) 1.What is the distance to the point charge? (d= ? m) 2.What is the magnitude of the charge? (q= ? c)