The electric potential V in the space between two flat parallel plates 1 and 2 is given (in volts) by V = 2100x2, where x (in meters) is the perpendicular distance from plate 1. At x = 1.4 cm, (a) what is the magnitude of the electric field and (b) is the field directed toward or away from plate 1? (a) N/C (b)An unknown charge sits on a conducting solid sphere of radius 15 cm. If the electric field 23 cm from the center of the sphere has magnitude 4.2 x 10 N/C and is directed radially inward, what is the net charge on the sphere? Number UnitsA uniformly charged conducting sphere of115 m diameter has a surface charge density of 13 pCfmz. [3] Find the net charge on the sphere. [b] What is the total electric flux leaving the surface of the sphere? {all Number Units v {bi Number Units v Two metal spheres, each of radius 3.5 cm, have a centertocenter separation of 2.7 m. Sphere 1 has a charge of +1.1:L x 10'3 C; sphere 2 has a charge of 4415 X IIIII'8 C1 Assume that the separation is large enough for us to assume that the charge on each sphere is uniformly distributed {the spheres do not affect each other}. With V= C- at innity, calculate in volts (3} the potential at the point halfway between their centers and the potential on the surface of {b} sphere 1 and [c] sphere 2. {all Number Units V {b] Number Units V {c} Number Units v The figure shows cross-sections through two large, parallel, nonconducting sheets with identical distributions of positive charge with surface charge density o = 2.23 x 10-22 C/m2. What is the y component of the electric field at points (a) above the sheets, (b) between them, and (c) below them? (a) Number Units (b) Number Units (c) Number UnitsA spherical drop of water carrying a charge of 25 pC has a potential of 720 V at its surface (with V = 0 at infinity). (a) What is the radius of the drop? (b) If two such drops of the same charge and radius combine to form a single spherical drop, what is the potential at the surface of the new drop? (a) Number Units (b) Number Units