Question 1

At Earth's magnetic poles, what becomes of the magnetic field of force lines?

Accepted Answer

The field of force l

Question 2

Who developed the first battery and upon whose work was this development based?

Accepted Answer

Alessandro Volta developed the first bat

Question 3

Hans Christian Oersted discovered the relationship between the forces of magnetism and electricity by

Accepted Answer

A)  many long years of tedious research. 
B)  reading the writings of Galvani. 
C)  an accidental discovery during a physics lecture. 
D)  interpreting his dreams and obsessions. 
E)  replicating the experiments of Volta. 
A)  many long years of tedious research. 
B)  reading the writings of Galvani. 
C)  an accidental discovery during a physics lecture. 
D)  interpreting his dreams and obsessions. 
E)  replicating the experiments of Volta.

Question 4

How could you make an electromagnet?

Accepted Answer

To make an electromagnet, wrap a wire ar

Question 5

Every electrical circuit contains

Accepted Answer

A)  an electromagnet. 
B)  an electrical conductor. 
C)  an electric switch. 
D)  a circuit breaker. 
E)  a lighting device. 
A)  an electromagnet. 
B)  an electrical conductor. 
C)  an electric switch. 
D)  a circuit breaker. 
E)  a lighting device.

Question 6

What is fundamentally different in the way that a battery generates electricity versus an electric generator?

Accepted Answer

A battery relies on a chemical

Question 7

In which of the objects below would you not find an electromagnet?

Accepted Answer

A)  electric buzzer 
B)  electric motor 
C)  electric switch 
D)  thermostat 
E)  light bulb 
A)  electric buzzer 
B)  electric motor 
C)  electric switch 
D)  thermostat 
E)  light bulb

Question 8

How is the force of two charged particles related to their charges?

Accepted Answer

A)  Proportional to the product of their charges divided by the cube of the distance between them 
B)  Proportional to the product of their charges divided by the square of the distance between them 
C)  Proportional to the ratio of their charges divided by the distance between them 
D)  Proportional to the ratio of their charges multiplied by the square of the distance between them 
E)  No known relation between charged particles and force 
A)  Proportional to the product of their charges divided by the cube of the distance between them 
B)  Proportional to the product of their charges divided by the square of the distance between them 
C)  Proportional to the ratio of their charges divided by the distance between them 
D)  Proportional to the ratio of their charges multiplied by the square of the distance between them 
E)  No known relation between charged particles and force

Question 9

What is the main difference between an electric motor and an electric generator?

Accepted Answer

An electric motor converts ele

Question 10

William Gilbert discovered many important properties of magnets. Which of the following was not among Gilbert's findings?

Accepted Answer

A)  Every magnet has at least two poles. 
B)  If magnetic poles are alike, they repel each other. 
C)  Steel rods can be magnetized by stroking them with a lodestone. 
D)  Electric currents can be produced by changing magnetic fields. 
E)  Iron's magnetism can be destroyed by heating. 
A)  Every magnet has at least two poles. 
B)  If magnetic poles are alike, they repel each other. 
C)  Steel rods can be magnetized by stroking them with a lodestone. 
D)  Electric currents can be produced by changing magnetic fields. 
E)  Iron's magnetism can be destroyed by heating.

At Earth's magnetic poles, what becomes of the magnetic field of force lines?

Who developed the first battery and upon whose work was this development based?

Hans Christian Oersted discovered the relationship between the forces of magnetism and electricity by

How could you make an electromagnet?

Every electrical circuit contains

What is fundamentally different in the way that a battery generates electricity versus an electric generator?

In which of the objects below would you not find an electromagnet?

How is the force of two charged particles related to their charges?

What is the main difference between an electric motor and an electric generator?

William Gilbert discovered many important properties of magnets. Which of the following was not among Gilbert's findings?

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

The Atom: Why Are There so Many Different Materials in the World

Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

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Exam 5: Electricity and Magnetism: What Is Lightning

At Earth's magnetic poles, what becomes of the magnetic field of force lines?

Who developed the first battery and upon whose work was this development based?

Hans Christian Oersted discovered the relationship between the forces of magnetism and electricity by

How could you make an electromagnet?

Every electrical circuit contains

What is fundamentally different in the way that a battery generates electricity versus an electric generator?

In which of the objects below would you not find an electromagnet?

How is the force of two charged particles related to their charges?

What is the main difference between an electric motor and an electric generator?

William Gilbert discovered many important properties of magnets. Which of the following was not among Gilbert's findings?

Science: a Way of Knowing: How Do You Know What You Know

The Ordered Universe: Why Do Planets Appear to Wander Slowly Across the Sky

Energy: Why Must Animals Eat to Stay Alive

Heat and the Second Law of Thermodynamics: Why Is It Easier to Make an Omelet From an Egg Than to Make an Egg From an Omelet

Waves and Electromagnetic Radiation: What Is Color

Albert Einstein and the Theory of Relativity: Can a Human Ever Travel Faster Than the Speed of Light, at Warp Speed

The Atom: Why Are There so Many Different Materials in the World

Quantum Mechanics: How Can the Electron Behave Like Both a Particle and a Wave

Atoms in Combination: the Chemical Bond: How Does Blood Clot

Materials and Their Properties: How Have Computers Gotten so Much Faster

The Nucleus of the Atom: How Do Scientists Determine the Age of the Oldest Human Fossils

The Ultimate Structure of Matter: How Can Antimatter Be Used to Probe the Human Brain

The Stars: How Much Longer Can the Sun Sustain Life on Earth

Cosmology: Will the Universe End

Earth and Other Planets: Is Earth the Only Planet With Life

Plate Tectonics: Can We Predict Destructive Earthquakes

Earths Many Cycles: Will We Ever Run Out of Fresh Water

Ecology, Ecosystems, and the Environment: Are Human Activities Affecting the Global Environment

Strategies of Life: What Is Life

The Living Cell: What Is the Smallest Living Thing

Molecules of Life: What Constitutes a Healthy Diet

Classical and Modern Genetics: Why Do Offspring Resemble Their Parents

The New Science of Life: Can We Cure Cancer

Evolution: How Did Life Emerge on the Ancient Earth

Filters