Use the following figure to answer the next problem. -Four point charges q1 = -1 F1F1F1S1F1F1F10C,q2 = 2 F1F1F1S1F1F1F10C,q3 = 3 F1F1F1S1F1F1F10C,and q4 = 4 F1F1F1S1F1F1F10C are located at the corners of a square whose side s = 1 m.The electrostatic potential energy of this system of charges is

A) 0.140 J B) 0.176 J C) 0.286 J D) 0.337 J E) 0.492 J A) 0.140 J B) 0.176 J C) 0.286 J D) 0.337 J E) 0.492 J

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q1 = 1 µC,q2 = 2 µC,and q3 = 3 µC at the corners of the equilateral triangle whose side s = 30 cm is

A) 1.10 J B) 0.990 J C) 0.631 J D) 0.330 J E) 0.123 J A) 1.10 J B) 0.990 J C) 0.631 J D) 0.330 J E) 0.123 J

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q1 = 1 µC,q2 = -2 µC,and q3 = 3 µC at the corners of the equilateral triangle whose side s = 40 cm is

A) 1.10 J B) 0.990 J C) -0.631 J D) 0.330 J E) -0.113 J A) 1.10 J B) 0.990 J C) -0.631 J D) 0.330 J E) -0.113 J

A charge of 2.0 mC is located in a uniform electric field of intensity 4.0 × 105 N/C.How much work is required to move this charge 20 cm along a path making an angle of 60° with the electric field?

A) 0.14 J B) 0.34 J C) 80 mJ D) 14 J E) 8.0 J A) 0.14 J B) 0.34 J C) 80 mJ D) 14 J E) 8.0 J

Exam 23: Electric Potential

Two charges Q₁ (= +6 C)and Q₂ (= -2 C)are brought from infinity to positions on the x-axis of x = -4 cm and x = +4 cm,respectively.How much work was done in bringing the charges together?

(Multiple Choice)

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Question 21

Use the following figure to answer the next problem. -Four point charges q₁ = -1 C,q₂ = 2 C,q₃ = 3 C,and q₄ = 4 C are located at the corners of a square whose side s = 1 m.The electrostatic potential energy of this system of charges is

(Multiple Choice)

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Question 22

Use the following to answer the next question: -Which point in the electric field in the diagram is at the lowest potential?

(Multiple Choice)

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Question 23

What is the approximate radius of an equipotential spherical surface of 100 V about a point charge of +45 nC if the potential at an infinite distance from the surface is zero?

(Multiple Choice)

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Question 24

A solid conducting sphere of radius r_a is placed concentrically inside a conducting spherical shell of inner radius r_b1 and outer radius r_b2.The inner sphere carries a charge Q while the outer sphere does not carry any net charge.The potential for r_b1 r  r_b₂ is

(Multiple Choice)

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Question 25

Use the following figure to answer the next problem: Two equal positive charges are placed x m apart.The equipotential lines are at 100 V interval. -The potential for line c is

(Multiple Choice)

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Question 26

The potential on the surface of a solid conducting sphere of radius r = 20 cm is 100 V.The potential at r = 10 cm is

(Multiple Choice)

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Question 27

Use the following figure to answer the next problem: -A ring of radius 5 cm is the yz plane with its center at the origin.The ring carries a uniform charge of 10 nC.A small particle of mass m = 10 mg and charge q₀ = 5 nC is placed at x = 12 cm and released.The speed of the particle when it is a great distance from the ring is

(Multiple Choice)

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Question 28

Use the following figure to answer the next problem: The electric field versus distance for a charge is plotted above.Use the reference point -The potential for r < 1 m is

(Multiple Choice)

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Question 29

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q₁ = 1 µC,q₂ = 2 µC,and q₃ = 3 µC at the corners of the equilateral triangle whose side s = 30 cm is

(Multiple Choice)

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Question 30

The metal sphere at the top of a small Van de Graaf generator has a radius of 10 cm.How much charge can be accumulated on this sphere before dielectric breakdown of the air around it occurs? (The dielectric strength of air is 3.0 MV/m.)

(Multiple Choice)

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Question 31

Use the following figure to answer the next problem: -ABC is a straight line with AB = BC = 0.60 nm.BP is perpendicular to ABC and BP = 0.80 nm.Charges of +3.2 × 10^-¹⁹ C are placed at A and C,and a charge of -3.2 × 10^-¹⁹ C is placed at B.The electric potential at P is

(Multiple Choice)

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Question 32

Use the following figure to answer the next problem: Two equal positive charges are placed x m apart.The equipotential lines are at 100 V interval. -The electrical potential 2.5 cm from a point charge of Q₁ = +4.5  10^-9 C and 2.0 cm from a second charge Q₂ is 3.2 kV.Find Q₂.

(Multiple Choice)

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Question 33

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q₁ = 1 µC,q₂ = -2 µC,and q₃ = 3 µC at the corners of the equilateral triangle whose side s = 40 cm is

(Multiple Choice)

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Question 34

Correct units for electric potential are

(Multiple Choice)

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Question 35

Use the following to answer the next question: -Which of the points shown in the diagram are at the same potential?

(Multiple Choice)

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Question 36

When a small,positively charged metal ball comes in contact with the interior of a positively charged metal shell,

(Multiple Choice)

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Question 37

A uniform electric field exists between two parallel plates separated by 1.2 cm.The intensity of the field is 23 kN/C.What is the potential difference between the plates?

(Multiple Choice)

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Question 38

Use the following to answer the next question. -The work required to bring a negatively charged body from very far is greatest for point _____.

(Multiple Choice)

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Question 39

A charge of 2.0 mC is located in a uniform electric field of intensity 4.0 × 10⁵ N/C.How much work is required to move this charge 20 cm along a path making an angle of 60° with the electric field?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 87

Exam 23: Electric Potential

Two charges Q1 (= +6 C)and Q2 (= -2 C)are brought from infinity to positions on the x-axis of x = -4 cm and x = +4 cm,respectively.How much work was done in bringing the charges together?

Use the following figure to answer the next problem. -Four point charges q1 = -1 C,q2 = 2 C,q3 = 3 C,and q4 = 4 C are located at the corners of a square whose side s = 1 m.The electrostatic potential energy of this system of charges is

Use the following to answer the next question: -Which point in the electric field in the diagram is at the lowest potential?

What is the approximate radius of an equipotential spherical surface of 100 V about a point charge of +45 nC if the potential at an infinite distance from the surface is zero?

A solid conducting sphere of radius ra is placed concentrically inside a conducting spherical shell of inner radius rb1 and outer radius rb2.The inner sphere carries a charge Q while the outer sphere does not carry any net charge.The potential for rb1  r  rb2 is

Use the following figure to answer the next problem: Two equal positive charges are placed x m apart.The equipotential lines are at 100 V interval. -The potential for line c is

The potential on the surface of a solid conducting sphere of radius r = 20 cm is 100 V.The potential at r = 10 cm is

Use the following figure to answer the next problem: The electric field versus distance for a charge is plotted above.Use the reference point -The potential for r < 1 m is

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q1 = 1 µC,q2 = 2 µC,and q3 = 3 µC at the corners of the equilateral triangle whose side s = 30 cm is

The metal sphere at the top of a small Van de Graaf generator has a radius of 10 cm.How much charge can be accumulated on this sphere before dielectric breakdown of the air around it occurs? (The dielectric strength of air is 3.0 MV/m.)

Use the following figure to answer the next problem: -ABC is a straight line with AB = BC = 0.60 nm.BP is perpendicular to ABC and BP = 0.80 nm.Charges of +3.2 × 10-19 C are placed at A and C,and a charge of -3.2 × 10-19 C is placed at B.The electric potential at P is

Use the following figure to answer the next problem: Two equal positive charges are placed x m apart.The equipotential lines are at 100 V interval. -The electrical potential 2.5 cm from a point charge of Q1 = +4.5  10-9 C and 2.0 cm from a second charge Q2 is 3.2 kV.Find Q2.

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q1 = 1 µC,q2 = -2 µC,and q3 = 3 µC at the corners of the equilateral triangle whose side s = 40 cm is

Correct units for electric potential are

Use the following to answer the next question: -Which of the points shown in the diagram are at the same potential?

When a small,positively charged metal ball comes in contact with the interior of a positively charged metal shell,

A uniform electric field exists between two parallel plates separated by 1.2 cm.The intensity of the field is 23 kN/C.What is the potential difference between the plates?

Use the following to answer the next question. -The work required to bring a negatively charged body from very far is greatest for point _____.

A charge of 2.0 mC is located in a uniform electric field of intensity 4.0 × 105 N/C.How much work is required to move this charge 20 cm along a path making an angle of 60° with the electric field?

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Two charges Q₁ (= +6 C)and Q₂ (= -2 C)are brought from infinity to positions on the x-axis of x = -4 cm and x = +4 cm,respectively.How much work was done in bringing the charges together?

Use the following figure to answer the next problem. -Four point charges q₁ = -1 C,q₂ = 2 C,q₃ = 3 C,and q₄ = 4 C are located at the corners of a square whose side s = 1 m.The electrostatic potential energy of this system of charges is

A solid conducting sphere of radius r_a is placed concentrically inside a conducting spherical shell of inner radius r_b1 and outer radius r_b2.The inner sphere carries a charge Q while the outer sphere does not carry any net charge.The potential for r_b1 r  r_b₂ is

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q₁ = 1 µC,q₂ = 2 µC,and q₃ = 3 µC at the corners of the equilateral triangle whose side s = 30 cm is

Use the following figure to answer the next problem: -ABC is a straight line with AB = BC = 0.60 nm.BP is perpendicular to ABC and BP = 0.80 nm.Charges of +3.2 × 10^-¹⁹ C are placed at A and C,and a charge of -3.2 × 10^-¹⁹ C is placed at B.The electric potential at P is

Use the following figure to answer the next problem: Two equal positive charges are placed x m apart.The equipotential lines are at 100 V interval. -The electrical potential 2.5 cm from a point charge of Q₁ = +4.5  10^-9 C and 2.0 cm from a second charge Q₂ is 3.2 kV.Find Q₂.

Use the following figure to answer the next problem. -The electrostatic potential energy of the system of point charges q₁ = 1 µC,q₂ = -2 µC,and q₃ = 3 µC at the corners of the equilateral triangle whose side s = 40 cm is

A charge of 2.0 mC is located in a uniform electric field of intensity 4.0 × 10⁵ N/C.How much work is required to move this charge 20 cm along a path making an angle of 60° with the electric field?