1.Two point charges, QA = +8 μC and QB = -5 μC, are separated by a distance r = 10 cm. What is the magnitude of the electric force? The constant k = 8.988 x 109 Nm2/C
2.Two charged particles QP = +10 μC and Qq = +20 μC are separated by a distance r = 10 cm along the horizontal. What is the magnitude of the electrostatic force?
3. What is the force on an electron in an electric field of 500 N/C?
A charge of 5 X 10-6 C experiences a force of 10 N at a certain point in space. What is the electric field intensity?