Which is correct at the midpoint between the point charges Q and Q with a distance r between them ? E=2kQ/r² %3D V = 0 %3D E = 0 V = 2kQ/r %3D
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- Point charges 91 distance 3.70 mm, forming an electric dipole. == 4.20 nC and q2 = + 4.20 nC are separated by6. Two identical spheres with mass m are hung from silk threads of length L as shown in Fig. Each sphere has the same charge q1=92=9. L L mass m charge 91 mass m charge 92 The radius of each sphere is very small compared to the distance between the spheres, so they may be treated as point charges. Show that if the angle is small, the equilibrium separation between the spheres is d = 2πε mgGiven the magnitude of an electric field directed downward equals 100 N/C. If two point charges (qA and qB), qA=2000 V and qB= 1000V. The charges are located 10 cm apart. What is the field strength at qA?
- +3µμC +3μC Charges of 3.0 µC are located at x = 0.0, y = 2.0 m and at x = 0.0, y = -2.0 m. Unknown charges, Q, are located at x = 4.0, y = 2.0 m and at x = 4.0, y = -2.0 m. The electric field at the origin, z = 0.0, y = 0.0 m, is 4.0 x 10³ N/C î (in other words in the r direction). Determine the unknown charge Q.Needs Complete typed solution with 100 % accuracy.What is the electric field strength (magnitude and direction) at point P between the two charges below? +4.0 uC -1.0 uC 40 cm 30 cm