A parallel plate capacitor with plate separation of 4.0 cm has a plate area of 4.0 × 10-2 m2. What is the capacitance of this capacitor with air between these plates?

A) 8.9 × 10-11 F B) 8.9 × 10-12 F C) 8.9 × 10-13 F D) 8.9 × 10-14 F E) 8.9 × 10-15 F A) 8.9 × 10-11 F B) 8.9 × 10-12 F C) 8.9 × 10-13 F D) 8.9 × 10-14 F E) 8.9 × 10-15 F

Exam 20: Electric Potential and Electric Potential Energy

A parallel plate capacitor with plate separation of 4.0 cm has a plate area of 4.0 × 10^-2 m². What is the capacitance of this capacitor with air between these plates?

(Multiple Choice)

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Question 61

Several electrons are placed on a hollow conducting sphere. They

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Question 62

FIGURE 20-1 -Two parallel metal plates A and B carry positive and negative charges of equal strength, respectively, as shown in Figure 20-1. What is the correct direction for the equipotential lines for this charge configuration? Choice I: Vertical, along the y-axis Choice II: Horizontal, along the x-axis

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Question 63

The electron-volt is a unit of

(Multiple Choice)

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Question 64

A -4.0-μC charge is situated at the origin of an xy-coordinate system. What is the magnitude and direction of an electric potential at x = 6.0 m?

(Multiple Choice)

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Question 65

The potential difference between the plates of a parallel plate capacitor with the plate separation of 6 cm is 60 V. What is the electric field between the plates of this capacitor?

(Multiple Choice)

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Question 66

A charged particle with charge + 5.0 μC is initially at rest. It is accelerated through a potential difference of 500 V. What is the kinetic energy of this charged particle?

(Multiple Choice)

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Question 67

Equipotential lines and electric field lines meet perpendicular to one another.

(True/False)

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Question 68

A parallel plate capacitor has a potential difference between the plates of 80 V. If the charge on one of the plates of the capacitor is +8.0 μC, what is the electrical energy stored by this capacitor?

(Multiple Choice)

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Question 69

A 4.0-μC charge is situated at the origin of an xy-coordinate system. What is the magnitude and direction of the electric potential at x = 6.0 m?

(Multiple Choice)

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Question 70

The work done in moving a positive charge against an electric field does not depend on the path chosen in moving the charge in that field. Based on the statement, what kind of force field is the electrostatic field?

(Multiple Choice)

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Question 71

For an electron moving in a direction opposite to the electric field

(Multiple Choice)

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Question 72

FIGURE 20-12 -Two point charges of magnitude +4.0 μC and -4.0 μC are placed as shown in Figure 20-12. What is the potential difference between points A and B?

(Multiple Choice)

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Question 73

FIGURE 20-14 -The equipotential surfaces between two spherical conductors are shown in Figure 20-14, with the value of the potential marked for each line. What is the potential difference between points G and D?

(Multiple Choice)

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Question 74

A capacitor consists of a set of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference between the plates. If the separation between the plates is doubled, the magnitude of the electrical energy stored on the capacitor will

(Multiple Choice)

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Question 75

FIGURE 20-3 -Two point charges of magnitude +4.00 μC and +2.00 μC are placed at the opposite corners of a rectangle as shown in Figure 20-3. (a) What is the potential at point A due to these charges? (b) What is the potential at point B due to these charges? (c) What is the potential difference between points A and B?

(Short Answer)

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Question 76

A 20-μF capacitor has a charge of 60 μC. How much energy is stored in this capacitor?

(Multiple Choice)

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Question 77

A -4.0-μC charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x = 4.0 m and y = 2.0 m because of this charge?

(Multiple Choice)

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Question 78

A negative charge, if free, tries to move

(Multiple Choice)

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Question 79

A 4-μF capacitor has a potential drop of 20 V between its plates. The electric potential energy stored in this capacitor is:

(Multiple Choice)

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Question 80

Showing 61 - 80 of 99

Exam 20: Electric Potential and Electric Potential Energy

A parallel plate capacitor with plate separation of 4.0 cm has a plate area of 4.0 × 10-2 m2. What is the capacitance of this capacitor with air between these plates?

Several electrons are placed on a hollow conducting sphere. They

The electron-volt is a unit of

A -4.0-μC charge is situated at the origin of an xy-coordinate system. What is the magnitude and direction of an electric potential at x = 6.0 m?

The potential difference between the plates of a parallel plate capacitor with the plate separation of 6 cm is 60 V. What is the electric field between the plates of this capacitor?

A charged particle with charge + 5.0 μC is initially at rest. It is accelerated through a potential difference of 500 V. What is the kinetic energy of this charged particle?

Equipotential lines and electric field lines meet perpendicular to one another.

A parallel plate capacitor has a potential difference between the plates of 80 V. If the charge on one of the plates of the capacitor is +8.0 μC, what is the electrical energy stored by this capacitor?

A 4.0-μC charge is situated at the origin of an xy-coordinate system. What is the magnitude and direction of the electric potential at x = 6.0 m?

The work done in moving a positive charge against an electric field does not depend on the path chosen in moving the charge in that field. Based on the statement, what kind of force field is the electrostatic field?

For an electron moving in a direction opposite to the electric field

FIGURE 20-12 -Two point charges of magnitude +4.0 μC and -4.0 μC are placed as shown in Figure 20-12. What is the potential difference between points A and B?

FIGURE 20-14 -The equipotential surfaces between two spherical conductors are shown in Figure 20-14, with the value of the potential marked for each line. What is the potential difference between points G and D?

A 20-μF capacitor has a charge of 60 μC. How much energy is stored in this capacitor?

A -4.0-μC charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x = 4.0 m and y = 2.0 m because of this charge?

A negative charge, if free, tries to move

A 4-μF capacitor has a potential drop of 20 V between its plates. The electric potential energy stored in this capacitor is:

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A parallel plate capacitor with plate separation of 4.0 cm has a plate area of 4.0 × 10^-2 m². What is the capacitance of this capacitor with air between these plates?