Electric Potential and Potential Energy Review

Compute the potential energy of the two charges in the configuration shown.

A positive charge, Q₁ = 5.00 mC is located at x₁ = -8.00 m, and a positive charge Q2 = 2.50 mC is located at x₂ = 3.00 m.

Round to nearest whole number.

Tags

NGSS.HS-PS2-4

Compute the potential energy of the two charges in the following configuration as shown.

A negative charge, Q1 = -3.00 mC is located at x1 = -6.00 m, and a positive charge Q2 = 4.50 mC is located at x2 = 5.00 m.

Round to nearest whole number.

Tags

NGSS.HS-PS2-4

What is the Electric Potential (Voltage) 5.00 m away from a charge of 6.23x10^-6 C?

Tags

NGSS.HS-PS2-4

Compute the electric potential of three charges at the origin in the following configuration as shown.

A positive charge, Q1 = 5.00 nC is located at x1 = -8.00 m, a positive charge Q2 = 3.00 nC is located at x2 = -2.00 m, and a negative charge Q3 = -9.00 nC is located at x3 = 6.00 m.

Round to the hundredths spot

Tags

NGSS.HS-PS2-4

Two positive charges of magnitude +Q are placed at the corners A and B of equilateral triangle with a side r. Calculate the net electric potential at point C.

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

At point A in the diagram, what is the direction of the Electric Field?

• Up

• Down

• Left

• Right

Tags

NGSS.HS-PS2-5

How much work is done by an external force on a +10 µC charge that moves from point C to B?

If the strength of the Electric field at point A is 5,000 N/C, what is the strength of the Electric field at point B?

• Greater than 5,000 N/C

• Less than 5,000 N/C

• 5,000 N/C

• Cannot be determined with the information provided.

The positive charge moves from the bottom plate to the top plate in the below configuration. What happens to the Electric Potential Energy of the plate/charge system?

• Increase

• Remains Constant

• Decreases

• Becomes Zero

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A positive charge is placed between two oppositely charged plates as shown below. Which way will the charge move? What happens to the potential energy of the charge/plate system?

• Up; Decreases

• Down; Decreases

• Up; Increases

• Down; Increases

Tags

NGSS.HS-PS2-4