7. Two charges of opposite sign and equal magnitude Q = 0.82 C are held 2.0 m apart as shown in the figure. Determine the electric potential at the point P. 1.0 m 4.0 m 1.0 m 4.0 m -O 8. Two point particles, Q1 is at origin with charge +8 x 10-9 C and Q2 with charge -2 x 10 9 C, is placed at x=4m. Find the electric field at point 10m.9. Calculate the charge across each capacitor. 20 HF 100 UF 10 V 40 UF10. Calculate the values of I1, I2 and Is for this circuit using Kirchoff's laws. V1=1V, V2= 2 V, V3= 3 V and each resistor is 1 Q resistor. R. 3 R 2 V3 V 2 RA B