A spherical conducting shell has a uniform surface charge density of 1.5 $\times$ 10-7 C/m2.What is its radius if the electric field 1.5 m from its center is 17 N/C outward?

A) 3.9 cm B) 4.7 cm C) 3.2 cm D) 9.5 cm E) 6.4 cm A) 3.9 cm B) 4.7 cm C) 3.2 cm D) 9.5 cm E) 6.4 cm

A 1.65 nC charge experiences an acceleration of 6.33 $\times$ 107 m/s2 in an electric field.What is the magnitude of the electric field?

A) 3.84 $\times$ 1016 N/C B) 1.65 $\times$ 10-9 N/C C) 14.9 N/C D) 2.67 $\times$ 10-19 N/C E) there isn't enough information in the problem to solve this A) 3.84 $\times$ 1016 N/C B) 1.65 $\times$ 10-9 N/C C) 14.9 N/C D) 2.67 $\times$ 10-19 N/C E) there isn't enough information in the problem to solve this

An electron gun sends electrons through a region with an electric field of 1.5 $\times$ 104 N/C for a distance of 2.5 cm.If the electrons start from rest,how long does it take for the electrons to traverse the gun?

A) 1.1 ns B) 1.1 $ \mu$s C) 2.2 ns D) 2.2 $ \mu$s E) 4.4 ns A) 1.1 ns B) 1.1 $ \mu$s C) 2.2 ns D) 2.2 $ \mu$s E) 4.4 ns

Three point charges are positioned as follows: q1 is at (0.00 m,0.00 m),q2 is at (1.20 m,0.00 m),and q3 is at (1.20 m,1.60 m).If q1 = 1.00 $ \mu$C, q2 = 2.00 $ \mu$C,and q3 = 3.00 $ \mu$C,in what direction (ccw from the x axis)is the force on q2?

A) 301$^{\circ}$ B) 329$^{\circ}$ C) 149$^{\circ}$ D) 59.4$^{\circ}$ E) 39.1$^{\circ}$ A) 301$^{\circ}$ B) 329$^{\circ}$ C) 149$^{\circ}$ D) 59.4$^{\circ}$ E) 39.1$^{\circ}$

Exam 16: Electric Forces and Fields

A spherical conducting shell has a uniform surface charge density of 1.5 $\times$ 10^-7 C/m².What is its radius if the electric field 1.5 m from its center is 17 N/C outward?

(Multiple Choice)

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Question 61

A thin spherical shell of radius 20.0 cm has 5.0 $\mu$ C of charge uniformly distributed over its surface.What is the electric flux through an area of 1.00 m² of a spherical surface concentric with the shell of charge but having a radius of 1.00 m?

(Multiple Choice)

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Question 62

A point charge of 3.0 $\mu$ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 $\mu$ C is located on the x-axis at x = 5.0 m.What is the direction (ccw from x axis)of the electric field at (5.0 m,4.0 m)?

(Multiple Choice)

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Question 63

Two point charges are on the x-axis.One charge,q₁ = 10.0 nC,is located at the origin,and the other charge,q₂ = 18.0 nC,is located at x = 9.00 m.What is the force on q₂?

(Multiple Choice)

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Question 64

A thin spherical shell of radius 20.0 cm has 5.0 $\mu$ C of charge uniformly distributed over its surface.What is the electric field 10.0 cm from the center of the sphere?

(Multiple Choice)

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Question 65

A 1.65 nC charge experiences an acceleration of 6.33 $\times$ 10⁷ m/s² in an electric field.What is the magnitude of the electric field?

(Multiple Choice)

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Question 66

An electron is fired through a pair of deflection plates,which produce a 2.00 cm long region with an electric field of 4000 N/C perpendicular to the electron's initial velocity.If the initial speed of the electron is 1.00 $\times$ 10⁷ m/s,what angle will its new velocity make with the direction of the original velocity?

(Multiple Choice)

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Question 67

An electron gun sends electrons through a region with an electric field of 1.5 $\times$ 10⁴ N/C for a distance of 2.5 cm.If the electrons start from rest,how long does it take for the electrons to traverse the gun?

(Multiple Choice)

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Question 68

Some household appliances have plugs with two prongs while others have three prongs.The additional prong is

(Multiple Choice)

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Question 69

A thin metallic spherical shell of radius 50 cm has a total charge of 4.0 $\mu$ C placed on it.At the center of the shell is placed a point charge of 2.00 $\mu$ C.What is the electric field at a distance of 90 cm from the center of the spherical shell?

(Multiple Choice)

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Question 70

A point charge of 3.0 $\mu$ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 $\mu$ C is located on the x-axis at x = 5.0 m.What is the magnitude of the electric field at the position (5.0 m,4.0 m)?

(Multiple Choice)

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Question 71

The electric field has a magnitude of 3.00 N/m at a distance of 60.0 cm from a point charge.What is the charge?

(Multiple Choice)

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Question 72

Three charges are located along a horizontal straight line.The charge on the left has a force of 6.00 N on it to the left.The charge in the middle has a force on it of 4.00 N to the right.What is the force on the charge on the right?

(Multiple Choice)

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Question 73

A cylinder contains a charge Q.The flux through the curved side of the container is 3 $\pi$ kQ.What is the flux through the ends of the cylinder?

(Multiple Choice)

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Question 74

A thin metallic shell of radius 40 cm has a charge of -25 nC on it.At the center of the sphere is a point charge of 35 nC.What is the electric field 50 cm from the center of the shell?

(Multiple Choice)

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Question 75

A horizontally-projected beam of electrons travelling at 55 km/s travels between two parallel plates separated by 7.4 cm,and 12 cm long,between which there is an electric field of 7.2 mV/m upward.If the beam enters the region at a height of 3.7 cm above the lower plate,at what height above the lower plate is the beam when it exits? The electron mass is 9.11 $\times$ 10^-31 kg.

(Multiple Choice)

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Question 76

If the electric field due to a point charge is 17 N/C at a distance of 1.5 m from it,what is the electric flux through a 1.5 m-radius imaginary spherical surface centered on the point charge?

(Multiple Choice)

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Question 77

Three point charges are positioned as follows: q₁ is at (0.00 m,0.00 m),q₂ is at (1.20 m,0.00 m),and q₃ is at (1.20 m,1.60 m).If q₁ = 1.00 $\mu$ C, q₂ = 2.00 $\mu$ C,and q₃ = 3.00 $\mu$ C,in what direction (ccw from the x axis)is the force on q₂?

(Multiple Choice)

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Question 78

A set of charged spheres carries -1.5 mC and each has mass 15 $\mu$ g.What vertical electric field in the laboratory would cause these spheres to continue in a straight line if they were projected horizontally into the electric-field region?

(Multiple Choice)

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Question 79

A long linear charge distribution of charge density 1.35 nC/m is surrounded by a concentric cylindrical surface of length 1.60 m and radius 23.6 cm.What is the magnitude of the electric field at the curved surface of the cylinder?

(Multiple Choice)

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Question 80

Showing 61 - 80 of 86

Exam 16: Electric Forces and Fields

A spherical conducting shell has a uniform surface charge density of 1.5 ×\times× 10-7 C/m2.What is its radius if the electric field 1.5 m from its center is 17 N/C outward?

A thin spherical shell of radius 20.0 cm has 5.0 μ \muμ C of charge uniformly distributed over its surface.What is the electric flux through an area of 1.00 m2 of a spherical surface concentric with the shell of charge but having a radius of 1.00 m?

A point charge of 3.0 μ \muμ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 μ \muμ C is located on the x-axis at x = 5.0 m.What is the direction (ccw from x axis)of the electric field at (5.0 m,4.0 m)?

Two point charges are on the x-axis.One charge,q1 = 10.0 nC,is located at the origin,and the other charge,q2 = 18.0 nC,is located at x = 9.00 m.What is the force on q2?

A thin spherical shell of radius 20.0 cm has 5.0 μ \muμ C of charge uniformly distributed over its surface.What is the electric field 10.0 cm from the center of the sphere?

A 1.65 nC charge experiences an acceleration of 6.33 ×\times× 107 m/s2 in an electric field.What is the magnitude of the electric field?

An electron gun sends electrons through a region with an electric field of 1.5 ×\times× 104 N/C for a distance of 2.5 cm.If the electrons start from rest,how long does it take for the electrons to traverse the gun?

Some household appliances have plugs with two prongs while others have three prongs.The additional prong is

A thin metallic spherical shell of radius 50 cm has a total charge of 4.0 μ \muμ C placed on it.At the center of the shell is placed a point charge of 2.00 μ \muμ C.What is the electric field at a distance of 90 cm from the center of the spherical shell?

A point charge of 3.0 μ \muμ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 μ \muμ C is located on the x-axis at x = 5.0 m.What is the magnitude of the electric field at the position (5.0 m,4.0 m)?

The electric field has a magnitude of 3.00 N/m at a distance of 60.0 cm from a point charge.What is the charge?

Three charges are located along a horizontal straight line.The charge on the left has a force of 6.00 N on it to the left.The charge in the middle has a force on it of 4.00 N to the right.What is the force on the charge on the right?

A cylinder contains a charge Q.The flux through the curved side of the container is 3 π\piπ kQ.What is the flux through the ends of the cylinder?

A thin metallic shell of radius 40 cm has a charge of -25 nC on it.At the center of the sphere is a point charge of 35 nC.What is the electric field 50 cm from the center of the shell?

If the electric field due to a point charge is 17 N/C at a distance of 1.5 m from it,what is the electric flux through a 1.5 m-radius imaginary spherical surface centered on the point charge?

Three point charges are positioned as follows: q1 is at (0.00 m,0.00 m),q2 is at (1.20 m,0.00 m),and q3 is at (1.20 m,1.60 m).If q1 = 1.00 μ \muμ C, q2 = 2.00 μ \muμ C,and q3 = 3.00 μ \muμ C,in what direction (ccw from the x axis)is the force on q2?

A set of charged spheres carries -1.5 mC and each has mass 15 μ \muμ g.What vertical electric field in the laboratory would cause these spheres to continue in a straight line if they were projected horizontally into the electric-field region?

A long linear charge distribution of charge density 1.35 nC/m is surrounded by a concentric cylindrical surface of length 1.60 m and radius 23.6 cm.What is the magnitude of the electric field at the curved surface of the cylinder?

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A spherical conducting shell has a uniform surface charge density of 1.5 $\times$ 10^-7 C/m².What is its radius if the electric field 1.5 m from its center is 17 N/C outward?

A thin spherical shell of radius 20.0 cm has 5.0 $\mu$ C of charge uniformly distributed over its surface.What is the electric flux through an area of 1.00 m² of a spherical surface concentric with the shell of charge but having a radius of 1.00 m?

A point charge of 3.0 $\mu$ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 $\mu$ C is located on the x-axis at x = 5.0 m.What is the direction (ccw from x axis)of the electric field at (5.0 m,4.0 m)?

Two point charges are on the x-axis.One charge,q₁ = 10.0 nC,is located at the origin,and the other charge,q₂ = 18.0 nC,is located at x = 9.00 m.What is the force on q₂?

A thin spherical shell of radius 20.0 cm has 5.0 $\mu$ C of charge uniformly distributed over its surface.What is the electric field 10.0 cm from the center of the sphere?

A 1.65 nC charge experiences an acceleration of 6.33 $\times$ 10⁷ m/s² in an electric field.What is the magnitude of the electric field?

An electron gun sends electrons through a region with an electric field of 1.5 $\times$ 10⁴ N/C for a distance of 2.5 cm.If the electrons start from rest,how long does it take for the electrons to traverse the gun?

A thin metallic spherical shell of radius 50 cm has a total charge of 4.0 $\mu$ C placed on it.At the center of the shell is placed a point charge of 2.00 $\mu$ C.What is the electric field at a distance of 90 cm from the center of the spherical shell?

A point charge of 3.0 $\mu$ C is located on the y-axis at y = 4.0 m,and another point charge of 6.0 $\mu$ C is located on the x-axis at x = 5.0 m.What is the magnitude of the electric field at the position (5.0 m,4.0 m)?

A cylinder contains a charge Q.The flux through the curved side of the container is 3 $\pi$ kQ.What is the flux through the ends of the cylinder?

Three point charges are positioned as follows: q₁ is at (0.00 m,0.00 m),q₂ is at (1.20 m,0.00 m),and q₃ is at (1.20 m,1.60 m).If q₁ = 1.00 $\mu$ C, q₂ = 2.00 $\mu$ C,and q₃ = 3.00 $\mu$ C,in what direction (ccw from the x axis)is the force on q₂?

A set of charged spheres carries -1.5 mC and each has mass 15 $\mu$ g.What vertical electric field in the laboratory would cause these spheres to continue in a straight line if they were projected horizontally into the electric-field region?