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.What is the acceleration of the electrons while in this electric field?

A) 1.4 $\times$ 108 m/s2 B) 2.6 $\times$ 1011 m/s2 C) 1.4 $\times$ 1012 m/s2 D) 2.6 $\times$ 1015 m/s2 E) 3.0 $\times$ 108 m/s2 A) 1.4 $\times$ 108 m/s2 B) 2.6 $\times$ 1011 m/s2 C) 1.4 $\times$ 1012 m/s2 D) 2.6 $\times$ 1015 m/s2 E) 3.0 $\times$ 108 m/s2

Three point charges are located on the x-axis.The first charge,q1 = 10.0 $ \mu$C, is at x = -1.00 m; the second charge, q2 = 20.0 $ \mu$C,is at the origin; and the third charge,q3 = -30.0 $ \mu$C, is located at x = 2.00 m.What is the force on q3?

A) 1.65 N in the negative x-direction B) 3.15 N in the positive x-direction C) 1.50 N in the negative x-direction D) 4.80 N in the positive x-direction E) 4.65 N in the negative x-direction A) 1.65 N in the negative x-direction B) 3.15 N in the positive x-direction C) 1.50 N in the negative x-direction D) 4.80 N in the positive x-direction E) 4.65 N in the negative x-direction

Each atom in a mole of water vapor (H2O)has one electron removed.What is the total charge of the ionized gas?

A) 96 kC B) 290 kC C) 600 kC D) 190 kC A) 96 kC B) 290 kC C) 600 kC D) 190 kC

Three point charges are located on the x-axis.The first charge,q1 = 10.0 $ \mu$C, is at x = -1.00 m; the second charge, q2 = 20.0 $ \mu$C, is at the origin; and the third charge,q3 = -30.0 $ \mu$C, is located at x = 2.00 m.What is the force on q2?

A) 1.65 N in the negative x-direction B) 3.15 N in the positive x-direction C) 1.50 N in the negative x-direction D) 4.80 N in the positive x-direction E) 4.65 N in the negative x-direction A) 1.65 N in the negative x-direction B) 3.15 N in the positive x-direction C) 1.50 N in the negative x-direction D) 4.80 N in the positive x-direction E) 4.65 N in the negative x-direction

Exam 16: Electric Forces and Fields

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.What is the acceleration of the electrons while in this electric field?

(Multiple Choice)

4.9/5

(83)

Question 41

Three point charges are located on the x-axis.The first charge,q₁ = 10.0 $\mu$ C, is at x = -1.00 m; the second charge, q₂ = 20.0 $\mu$ C,is at the origin; and the third charge,q₃ = -30.0 $\mu$ C, is located at x = 2.00 m.What is the force on q₃?

(Multiple Choice)

4.8/5

(81)

Question 42

Two charges are separated by a distance d.If one the charges is doubled while the other is tripled,what happens to the force between the charges?

(Multiple Choice)

5.0/5

(83)

Question 43

Each atom in a mole of water vapor (H₂O)has one electron removed.What is the total charge of the ionized gas?

(Multiple Choice)

4.8/5

(72)

Question 44

An electrically neutral metal sphere hangs from an insulating thread.A charged glass wand is brought near to the sphere.Describe what occurs next:

(Multiple Choice)

4.8/5

(88)

Question 45

When an object is polarized,it

(Multiple Choice)

4.7/5

(69)

Question 46

A proton is moving in an electric field.The direction of the acceleration of the proton is

(Multiple Choice)

4.7/5

(72)

Question 47

Electrons are collected by removing them from the atoms in a sample of water vapor (H₂O,molecular mass 18u).If every hydrogen atom has lost an electron in the process,what is the mass of the sample if a charge of exactly 1.0 C was collected?

(Multiple Choice)

4.9/5

(82)

Question 48

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 is its new component of velocity after going through the deflection plates?

(Multiple Choice)

5.0/5

(71)

Question 49

What is the magnitude of the electric field 30.0 cm from a point charge of 0.35 $\mu$ C?

(Multiple Choice)

4.9/5

(89)

Question 50

Each atom in a sample of lithium (Z = 3,atomic mass 6.941 u)has all of its electrons removed.If exactly 1.0 C was collected in this way,what is the mass of the lithium sample?

(Multiple Choice)

4.8/5

(68)

Question 51

In a diagram of electric field lines,what is represented by lines that are drawn closer together?

(Multiple Choice)

4.8/5

(86)

Question 52

Arrange the following from smallest to largest.

(Multiple Choice)

4.8/5

(71)

Question 53

Three point charges are located on the x-axis.The first charge,q₁ = 10.0 $\mu$ C, is at x = -1.00 m; the second charge, q₂ = 20.0 $\mu$ C, is at the origin; and the third charge,q₃ = -30.0 $\mu$ C, is located at x = 2.00 m.What is the force on q₂?

(Multiple Choice)

4.8/5

(85)

Question 54

A 4.7 cm radius spherical conducting shell has a uniform surface charge density.What is the density if the electric field 1.5 m from its center is 17 N/C outward?

(Multiple Choice)

4.8/5

(84)

Question 55

Consider a point charge and an imaginary spherical surface surrounding it.Which of the following situations would bring about a change in the electrical flux through the surface

(Multiple Choice)

4.9/5

(82)

Question 56

When rubbing two insulators together,the one that gets a positive charge has had

(Multiple Choice)

4.8/5

(77)

Question 57

Electric field lines symbolize

(Multiple Choice)

4.9/5

(78)

Question 58

An arrangement of 3 charges is drawn showing the field lines.The first charge has 20 lines going into it.The second charge has 30 lines going out of it.If the net charge of the arrangement is zero,what is the field line situation for the third charge?

(Multiple Choice)

4.8/5

(74)

Question 59

A hollow conducting spherical shell of radius 1.20 cm carries a charge of -5.20 nC.What is the electric field at a distance of 1.50 cm from the center of the shell?

(Multiple Choice)

4.9/5

(89)

Question 60

Showing 41 - 60 of 86

Exam 16: Electric Forces and Fields

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.What is the acceleration of the electrons while in this electric field?

Three point charges are located on the x-axis.The first charge,q1 = 10.0 μ \muμ C, is at x = -1.00 m; the second charge, q2 = 20.0 μ \muμ C,is at the origin; and the third charge,q3 = -30.0 μ \muμ C, is located at x = 2.00 m.What is the force on q3?

Two charges are separated by a distance d.If one the charges is doubled while the other is tripled,what happens to the force between the charges?

Each atom in a mole of water vapor (H2O)has one electron removed.What is the total charge of the ionized gas?

An electrically neutral metal sphere hangs from an insulating thread.A charged glass wand is brought near to the sphere.Describe what occurs next:

When an object is polarized,it

A proton is moving in an electric field.The direction of the acceleration of the proton is

Electrons are collected by removing them from the atoms in a sample of water vapor (H2O,molecular mass 18u).If every hydrogen atom has lost an electron in the process,what is the mass of the sample if a charge of exactly 1.0 C was collected?

What is the magnitude of the electric field 30.0 cm from a point charge of 0.35 μ \muμ C?

Each atom in a sample of lithium (Z = 3,atomic mass 6.941 u)has all of its electrons removed.If exactly 1.0 C was collected in this way,what is the mass of the lithium sample?

In a diagram of electric field lines,what is represented by lines that are drawn closer together?

Arrange the following from smallest to largest.

Three point charges are located on the x-axis.The first charge,q1 = 10.0 μ \muμ C, is at x = -1.00 m; the second charge, q2 = 20.0 μ \muμ C, is at the origin; and the third charge,q3 = -30.0 μ \muμ C, is located at x = 2.00 m.What is the force on q2?

A 4.7 cm radius spherical conducting shell has a uniform surface charge density.What is the density if the electric field 1.5 m from its center is 17 N/C outward?

Consider a point charge and an imaginary spherical surface surrounding it.Which of the following situations would bring about a change in the electrical flux through the surface

When rubbing two insulators together,the one that gets a positive charge has had

Electric field lines symbolize

An arrangement of 3 charges is drawn showing the field lines.The first charge has 20 lines going into it.The second charge has 30 lines going out of it.If the net charge of the arrangement is zero,what is the field line situation for the third charge?

A hollow conducting spherical shell of radius 1.20 cm carries a charge of -5.20 nC.What is the electric field at a distance of 1.50 cm from the center of the shell?

Introduction

Force

Acceleration and Newtons Second Law of Motion

Motion With Constant Acceleration

Circular Motion

Conservation of Energy

Linear Momentum

Torque and Angular Momentum

Fluids

Elasticity and Oscillations

Waves

Sound

Temperature and the Ideal Gas

Heat

Thermodynamics

Electric Potential

Electric Current and Circuits

Magnetic Forces and Fields

Electromagnetic Induction

Alternating Current

Electromagnetic Waves

Reflection and Refraction of Light

Optical Instruments

Interference and Diffraction

Relativity

Early Quantum Physics and the Photon

Quantum Physics

Nuclear Physics

Particle Physics

Filters

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.What is the acceleration of the electrons while in this electric field?

Three point charges are located on the x-axis.The first charge,q₁ = 10.0 $\mu$ C, is at x = -1.00 m; the second charge, q₂ = 20.0 $\mu$ C,is at the origin; and the third charge,q₃ = -30.0 $\mu$ C, is located at x = 2.00 m.What is the force on q₃?

Each atom in a mole of water vapor (H₂O)has one electron removed.What is the total charge of the ionized gas?

Electrons are collected by removing them from the atoms in a sample of water vapor (H₂O,molecular mass 18u).If every hydrogen atom has lost an electron in the process,what is the mass of the sample if a charge of exactly 1.0 C was collected?

What is the magnitude of the electric field 30.0 cm from a point charge of 0.35 $\mu$ C?

Three point charges are located on the x-axis.The first charge,q₁ = 10.0 $\mu$ C, is at x = -1.00 m; the second charge, q₂ = 20.0 $\mu$ C, is at the origin; and the third charge,q₃ = -30.0 $\mu$ C, is located at x = 2.00 m.What is the force on q₂?