Subject: (electric charge, electric force, electric field, electric dipole, electric flow, electric potential energy, electric potential)

a) Many joined charges form a spherical distribution with a radius of 15 centimeters (15 cm) and a total load effect (Qtotal) equal to 425 nC. Calculate the modulus (magnitude) of the electric field at a distance of 20 centimeters (20 cm) and at a distance of 10 centimeters (10 cm).

(V)