Coulomb's Law

Question 1

Moira is drawing the electric field lines around a pair of charges. One charge is positive, and the other charge is negative.

Revolt · Accepted Answer

away from the positive charge and toward the negative charge

Question 2

What is the value of the charge that experiences a force of 2.4 × 10–3 N in an electric field of 6.8 × 10–5 N/C?

Revolt · Accepted Answer

3.5 × 101 C

Question 3

A charge of 6.4 × 10–7 C experiences an electric force of 1.8 × 10–1 N. What is the electric field strength?

Revolt · Accepted Answer

2.8 × 105 N/C

Question 4

A charge of 8.5 × 10–6 C is in an electric field that has a strength of 3.2 × 105 N/C. What is the electric force acting on the charge?

Revolt · Accepted Answer

2.7 N

Question 5

What is the electric potential energy of a charge that experiences a force of 3.6 × 10–4 N when it is 9.8 × 10–5 m from the source of the electric field?

Revolt · Accepted Answer

3.5 × 10–8 J

Question 6

Through which element would someone most likely receive a shock?

Revolt · Accepted Answer

chromium (Cr)

Question 7

Which pair does NOT have an electric force between them?

Revolt · Accepted Answer

two neutral objects

Question 8

A positive rod is placed to the left of sphere A, and the spheres are separated.

Revolt · Accepted Answer

Sphere A is negative and sphere B is positive because electrons from sphere B are attracted to the rod and move to sphere A.

Question 9

Which statements best characterize conductors? Check all that apply.Conductors allow electricity to easily move through them.Glass is an example of a conductor.Metal is an example of a conductor.Conductors do not allow electricity to easily move through them.Conductors restrict the flow of thermal energy.

Revolt · Accepted Answer

Conductors allow electricity to easily move through them.; Metal is an example of a conductor.

Coulomb's Law Answers

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