Electrostatics continued

Electrostatics continued

Multiple Choice

Two identical spheres, with charges q₁ = 4x10^–9 C and q₂ = 2x10^–4 C, are separated by a distance of 0.03 m. Find the electrostatic force exerted by one charge on the other

• 2 N

• 4 N

• 6 N

• 8 N

Multiple Choice

What is the electric force between two clouds, having charges q₁=20 C and q₂=10 C, if the average distance between them is 5 km

• 36 kN

• 72 kN

• 108 kN

• 144 kN

Multiple Choice

Find the magnitude of the electric field at a point 30 cm from a point charge of q = 1 nC

• 10 N/C

• 100 N/C

• 1000 N/C

• 10000 N/C

Multiple Choice

Find the electric potential of a charge q=2x10^–8 C, at distances away from its position of 180 cm

• 1 V

• 10 V

• 100 V

• 1000 V