The electric potential at a point is space is given by the relation V = 23x - 27y + 11y2 + 72.What is the magnitude of the force on a 3.4 $\mu$C charge at the point r = (3.0,2.0,1.0)?

A) 38 $\mu$N B) 62 $\mu$N C) 97 $\mu$N D) 11 $\mu$N E) 120 $\mu$N A) 38 $\mu$N B) 62 $\mu$N C) 97 $\mu$N D) 11 $\mu$N E) 120 $\mu$N

An electric potential is given by V=4x2 + 2y2 + x + z + 2 volts.What is the magnitude of the electric field at the point (2,2,2)?

A) 9 N/C B) 25 N/C C) 30 N/C D) 19 N/C E) 13 N/C A) 9 N/C B) 25 N/C C) 30 N/C D) 19 N/C E) 13 N/C

Exam 23: Electric Potential

Consider two isolated metal spheres,the first with a charge of 8.7 and a radius of 25 cm and the second uncharged with a radius of 5.4 cm.What is the charge on the larger sphere after a long thin metal wire is used to connect the two spheres?

(Multiple Choice)

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Question 61

A charge Q = -7.8 $\mu$ C is uniformly distributed on a thin plastic ring.The radius of the ring is 4.3 cm.Calculate the electric potential at the center of the ring.Assume that the electric potential is zero at points infinitely far away from the ring.

(Multiple Choice)

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Question 62

The electric potential at a point is space is given by the relation V = 23x - 27y + 11y² + 72.What is the magnitude of the force on a 3.4 $\mu$ C charge at the point r = (3.0,2.0,1.0)?

(Multiple Choice)

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Question 63

A line of charge of magnitude 2.60 $\mu$ C is uniformly distributed on a 90.0 degree arc with radius R = 3.00 m.What is the magnitude of the electric potential at point P (in V)? $A line of charge of magnitude 2.60 \mu C is uniformly distributed on a 90.0 degree arc with radius R = 3.00 m.What is the magnitude of the electric potential at point P (in V)?$

(Multiple Choice)

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Question 64

An electric potential is given by V=4x² + 2y² + x + z + 2 volts.What is the magnitude of the electric field at the point (2,2,2)?

(Multiple Choice)

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Question 65

The potential energy stored in a system consisting of an electric dipole in a constant electric field is minimum when the angle between the electric dipole moment and the electric field is:

(Multiple Choice)

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Question 66

The amount of work done to move a positive charge Q on an equipotential surface of 1000 V compared to that on an equipotential surface of 10 V is

(Multiple Choice)

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Question 67

Two metallic spheres have radii of 10 cm and 5 cm,respectively.The electric field strength on the surface of each sphere is 3600 N/C.The two spheres are then connected together by a long,thin metal wire.Determine the electric field strength on the surface of 5-cm radius sphere while they are connected.

(Multiple Choice)

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Question 68

Four identical point charges Q are placed at the corners of a rectangle which measures 3.00 m * 5.00 m.The potential at the geometric center of this rectangle is 32.2 V assuming that the electric potential is zero at infinity.The charge Q is

(Multiple Choice)

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Question 69

Two metallic spheres have radii of 10 cm and 5 cm,respectively.The electric field strength on the surface of each sphere is 3600 N/C.The two spheres are then connected together by a long,thin metal wire.Determine the electric field strength on the surface of 10-cm radius sphere while they are connected.

(Multiple Choice)

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Question 70

Two charged particles,Q₁ = + 12.0 mC,Q₂ = + 5.0mC are placed on a line.At what finite locations along the line may the electric potential be equal to zero? I.in between the particles,closer to the positive particle II.in between the particles,closer to the negative particle III.not in between,but closer to the positive particle IV.not in between,but closer to the negative particle V.It can never be zero.

(Multiple Choice)

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Question 71

A force does 25 µJ of work moving a point charge of 5 µC against a potential difference What is the potential difference?

(Multiple Choice)

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Question 72

A proton (mass: 1.67 * 10^-27 kg)is brought to within 1.0 pm of the center of a gold (Z = 79)nucleus,and released.How fast is it going when it is very far away from the gold nucleus?

(Multiple Choice)

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Question 73

A ring of radius 20 cm has a charge of 2 nC on it.What is the electric potential in the center of the ring?

(Multiple Choice)

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Question 74

A solid metal ball with a radius of 30 cm has a net charge of 77 nC.If the electric potential is zero far away from the ball,what is the electric potential at the center of the ball?

(Multiple Choice)

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Question 75

Showing 61 - 75 of 75

Exam 23: Electric Potential

Consider two isolated metal spheres,the first with a charge of 8.7 and a radius of 25 cm and the second uncharged with a radius of 5.4 cm.What is the charge on the larger sphere after a long thin metal wire is used to connect the two spheres?

A charge Q = -7.8 μ\muμ C is uniformly distributed on a thin plastic ring.The radius of the ring is 4.3 cm.Calculate the electric potential at the center of the ring.Assume that the electric potential is zero at points infinitely far away from the ring.

The electric potential at a point is space is given by the relation V = 23x - 27y + 11y2 + 72.What is the magnitude of the force on a 3.4 μ\muμ C charge at the point r = (3.0,2.0,1.0)?

A line of charge of magnitude 2.60 μ\muμ C is uniformly distributed on a 90.0 degree arc with radius R = 3.00 m.What is the magnitude of the electric potential at point P (in V)?

An electric potential is given by V=4x2 + 2y2 + x + z + 2 volts.What is the magnitude of the electric field at the point (2,2,2)?

The potential energy stored in a system consisting of an electric dipole in a constant electric field is minimum when the angle between the electric dipole moment and the electric field is:

The amount of work done to move a positive charge Q on an equipotential surface of 1000 V compared to that on an equipotential surface of 10 V is

Four identical point charges Q are placed at the corners of a rectangle which measures 3.00 m * 5.00 m.The potential at the geometric center of this rectangle is 32.2 V assuming that the electric potential is zero at infinity.The charge Q is

A force does 25 µJ of work moving a point charge of 5 µC against a potential difference What is the potential difference?

A proton (mass: 1.67 * 10-27 kg)is brought to within 1.0 pm of the center of a gold (Z = 79)nucleus,and released.How fast is it going when it is very far away from the gold nucleus?

A ring of radius 20 cm has a charge of 2 nC on it.What is the electric potential in the center of the ring?

A solid metal ball with a radius of 30 cm has a net charge of 77 nC.If the electric potential is zero far away from the ball,what is the electric potential at the center of the ball?

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A charge Q = -7.8 $\mu$ C is uniformly distributed on a thin plastic ring.The radius of the ring is 4.3 cm.Calculate the electric potential at the center of the ring.Assume that the electric potential is zero at points infinitely far away from the ring.

The electric potential at a point is space is given by the relation V = 23x - 27y + 11y² + 72.What is the magnitude of the force on a 3.4 $\mu$ C charge at the point r = (3.0,2.0,1.0)?

An electric potential is given by V=4x² + 2y² + x + z + 2 volts.What is the magnitude of the electric field at the point (2,2,2)?

A proton (mass: 1.67 * 10^-27 kg)is brought to within 1.0 pm of the center of a gold (Z = 79)nucleus,and released.How fast is it going when it is very far away from the gold nucleus?