In an experiment to determine the charge of a charged sphere with a mass of 2.60 x 10"" kg, the sphere was injected between two horizontal charged plates, separated by 3.50 cm. By increasing the voltage between the plates to 1.50 x 102 V, the sphere was eventually suspended between the charged plates. Refer to the above information. If the voltage required to suspend the sphere was 1.50 x 10- V, then the charge on the sphere must be: Select one: O a. 4.86 x 10-16 C O b. 1.70 x 10-17 c O c. 1.60 x 10-19 C O d. 5.95 x 10-19 C Charges of +4.00 AC and +3.00 AC are placed 2.00 cm apart as shown: 2.00 cm. Charge A Charge B Refer to the above diagram. The direction of the net electric field, at a point P. midway between the two charges is: Select one: O a. towards the left O b. towards the right O c. towards the top of the page O d. towards the bottom of the pageA spool of wire is on a table top with its axis in the vertical plane. A current passes through the spool of wire in a clockwise direction, as viewed from the top. The direction of the resulting magnetic field, as viewed from the top is: Select one: O a. downwards away from the observer O b, upwards towards the observer O c. to the observer's right O d, to the observer's left