Question 1

If it takes 50 J of energy to move 10 C of charge from point A to point B,what is the magnitude of the potential difference between points A and B?

Accepted Answer

A) 500 V 
B) 50 V 
C) 5.0 V 
D) 0.50 V 
A) 500 V 
B) 50 V 
C) 5.0 V 
D) 0.50 V

Question 2

An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of 0.040 m2.What is the capacitance of this capacitor with air between these plates? (ε0 = 8.85 × 10-12 C2/N ∙ m2)

Accepted Answer

A) 89 pF 
B) 8.9 pF 
C) 0.89 pF 
D) 8.9 µF 
E) 8.9 nF 
A) 89 pF 
B) 8.9 pF 
C) 0.89 pF 
D) 8.9 µF 
E) 8.9 nF

Question 3

The electron-volt is a unit of

Accepted Answer

A) charge. 
B) electric potential. 
C) electric field. 
D) electric force. 
E) energy. 
A) charge. 
B) electric potential. 
C) electric field. 
D) electric force. 
E) energy.

Question 4

As a proton moves in a direction perpendicular to the electric field lines

Accepted Answer

A) it is moving from low potential to high potential and gaining electric potential energy. 
B) it is moving from low potential to high potential and losing electric potential energy. 
C) it is moving from high potential to low potential and gaining electric potential energy. 
D) it is moving from high potential to low potential and losing electric potential energy. 
E) both its electric potential and electric potential energy remain constant. 
A) it is moving from low potential to high potential and gaining electric potential energy. 
B) it is moving from low potential to high potential and losing electric potential energy. 
C) it is moving from high potential to low potential and gaining electric potential energy. 
D) it is moving from high potential to low potential and losing electric potential energy. 
E) both its electric potential and electric potential energy remain constant.

If it takes 50 J of energy to move 10 C of charge from point A to point B,what is the magnitude of the potential difference between points A and B?

An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of 0.040 m².What is the capacitance of this capacitor with air between these plates? (ε₀ = 8.85 × 10^-12C²/N ∙ m²)

The electron-volt is a unit of

As a proton moves in a direction perpendicular to the electric field lines

Introduction to Physics

One-Dimensional Kinematics

Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

Applications of Newtons Laws

Work and Kinetic Energy

Potential Energy and Conservation of Energy

Linear Momentum and Collisions

Rotational Kinematics and Energy

Rotational Dynamics and Static Equilibrium

Gravity

Oscillations About Equilibrium

Waves and Sound

Fluids

Temperature and Heat

Phases and Phase Changes

The Laws of Thermodynamics

Electric Charges, Forces, and Fields

Electric Current and Direct-Current Circuits

Magnetism

Magnetic Flux and Faradays Law of Induction

Alternating-Current Circuits

Electromagnetic Waves

Geometrical Optics

Optical Instruments

Physical Optics: Interference and Diffraction

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics and Nuclear Radiation

Filters

Exam 20: Electric Potential and Electric

If it takes 50 J of energy to move 10 C of charge from point A to point B,what is the magnitude of the potential difference between points A and B?

An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of 0.040 m2.What is the capacitance of this capacitor with air between these plates? (ε0 = 8.85 × 10-12 C2/N ∙ m2)

The electron-volt is a unit of

As a proton moves in a direction perpendicular to the electric field lines

Introduction to Physics

One-Dimensional Kinematics

Vectors in Physics

Two-Dimensional Kinematics

Newtons Laws of Motion

Applications of Newtons Laws

Work and Kinetic Energy

Potential Energy and Conservation of Energy

Linear Momentum and Collisions

Rotational Kinematics and Energy

Rotational Dynamics and Static Equilibrium

Gravity

Oscillations About Equilibrium

Waves and Sound

Fluids

Temperature and Heat

Phases and Phase Changes

The Laws of Thermodynamics

Electric Charges, Forces, and Fields

Electric Current and Direct-Current Circuits

Magnetism

Magnetic Flux and Faradays Law of Induction

Alternating-Current Circuits

Electromagnetic Waves

Geometrical Optics

Optical Instruments

Physical Optics: Interference and Diffraction

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics and Nuclear Radiation

Filters

An ideal air-filled parallel plate capacitor with plate a separation of 4.0 cm has a plate area of 0.040 m².What is the capacitance of this capacitor with air between these plates? (ε₀ = 8.85 × 10^-12C²/N ∙ m²)