Electric Fields and Forces Quiz

What is the direction of the force exerted on an electron traveling horizontally when it enters a region with a uniform electric field directed upward?

Which of the following situations DOES NOT guarantee an increase in the magnitude of electric force?

If a -2.3x10^-4 C charge exerts a repulsive force of magnitude 0.35 N on an unknown charge 0.20 m away, what are the magnitude and polarity of the unknown charge?

If the distance between two charged objects is doubled and the magnitude of one charge is also doubled, what happens to the electric force between them?

What is the resulting force of a dipole (electron and proton) separated by a distance of 5.29x10^-11 m?

What happens when the product of the charges between an electron and a proton is increased by a factor of two?

If the product of the charges between an electron and a proton is increased by a factor of four, what effect does it have on the distance between them?

When is the electric force between an electron and a proton 4.7x10^-19 N?

What is the magnitude of the electric field due to a 4.0 nC charge at a point 2 cm away?

If the electric field 2.0m from a point charge is 8.0x10^4 N/C, what is the strength of the electric field at a distance of 4.0 m?

Given a -1.2μC charge, an electric field of 2500 N/C directed along the +y axis, what is the magnitude and direction of the electric force?