Apoint charge with q1-2e-7 coulombs is placed at the point y=-0.05 meters on the negative y-axis and another charge q2 = 2e-7 coulombs is placed at the point y=0.05 meters on the positive y-axis. find the electric field, magnitude and direction, at the point x 0.15 meters on the x-axis. 2. a hollow metal sphere, radius 5 cm, has a charge of 2e-7 coulombs placed on it. it is surrounded by a thin concentric metal shell radius 15 cm that has a charge of --2c-7 coulombs on it. find the flux of electric field through a closed spherical surface if the surface is at 2.5cm, then 10 cm, and finally at 20cm using gauss' law. 3. a parallel plate capacitor with a plate area of 0.02 m² and plate separation of 0.001 meter is connected to a 24 volt battery. find the electric field between the plates. 4. how much charge is stored in the capacitor in previous problem when it is fully charged? 5. calculate the equivalent capacitance of three capacitors c and cz in parallel and cin series with the c and c combination. let c-8pf, c-7pf, and c=4pf. 6. if a 12 volt battery is placed across the three capacitor circuit in the previous problem, find the net amount of energy stored in the circuit once the capacitors have charged. 7. calculate the equivalent resistance of three resistors r, in series with the combination of r2 and rs in parallel if r=100, r3-10002, and r3-3302. 8. if a 12 volt battery is placed across the three resistor combination in the previous problem, find the currents through each resistor. 9. a carbon ion with a mass of 2e-26 kg enters a magnetic field moving perpendicular to the field at væ3x10 m/s. the charge on a ion is 1.6x10-1°c. if the radius of the ion's path is 16 cm, find the strength of the magnetic field. 10. a solenoid made from 600 turns of wire on a cylindrical form 2cm in diameter and 10 cm long has a current of 3 amps on it. find the strength of the magnetic field on the axis of the coil.