Energy and Electromagnetism Honors

Instructions

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Water can provide energy that may be changed into electricity. Which kind of water could be used to provide electricity?

1

Two workers use a ramp to help lift a box onto a dock as shown below. Use the diagram, to answer the following question.
Despite the advantage gained by the ramp there is loss of energy mainly due to

1

Noah carried a skateboard up a hill and then rode the skateboard down the hill. When Noah reached the bottom of the hill he rolled to a stop. When did Noah have the most potential energy?

1

The figure below shows a wagon that moves from point X to point Y.
Which of the following best describes the wagon's change in energy as it coasts from point X to point Y?

1

A student swings a bat horizontally, making contact with a ball thrown to her. The ball leaves the bat, and the bat continues moving through the rest of the swing.

Which of the following statements best describes the change in energy necessary to do work on the ball?

1

A 2.0 kg mass is moving with a speed of 3.0 m/s. What is the kinetic energy of the mass?

1

Starting from rest a 2 kg block of wood slides a distance of two meters down a frictionless slope, as shown.
What is the approximate kinetic energy of the wooden block at the bottom of the slope

1

A man applies a force of 100 N to a rock foe 60 seconds, but the rock does not move. What is the amount of work done on the rock?

1

A steel ball is dropped from a height (h) of 90 m as shown in the diagram below.

What is the potential energy (PE) and kinetic energy (KE) of the ball at h=36.0 m

1

A student exerts a force of 500 N pushing a box 10 m across a floor in 10 seconds. How much work does the student perform?

1

Which statement best explains how iron can become a magnet?

1

Two parallel copper wires are each carrying the same electrical current in the same direction. Which statement explains how they respond to each other?

1

Which of the following electromagnets would have the greatest magnetic field?

1

The diagram below shows a bar magnet within a coil of conducting wire. The magnet is moved back and forth. The magnet never has contact with the wire.

As the magnet is moved, the wire will

1

The diagram below shows current flow through a wire.
Which of the following represents the magnetic field resulting from the current?

1

Windmills are used to convert wind energy into a more useful form. In most cases, there are three steps in this process. The energy is in a different form at each step. Which of the following flowcharts shows the most likely order of the energy changes?

1

In the accompanying diagram, a potential difference is induced in a rectangular wire loop as it is rotated at constant speed between two magnetic poles.

If the direction of the field is reversed and the speed of rotation is doubled, the magnitude of the maximum induced voltage will be

1

What is the main advantage of using alternating current (AC) over direct current (DC) when transmitting electricity?

1

The primary coil of a transformer has 400 turns; the secondary coil has 1,000 turns. An alternating current is sent through the primary coil. The voltage in the primary coil has an amplitude of 17 V. Which statement best describes the voltage amplitude in the secondary coil?

1

Water can provide energy that may be changed into electricity. Which kind of water could be used to provide electricity?

Two workers use a ramp to help lift a box onto a dock as shown below. Use the diagram, to answer the following question.Despite the advantage gained by the ramp there is loss of energy mainly due to

Noah carried a skateboard up a hill and then rode the skateboard down the hill. When Noah reached the bottom of the hill he rolled to a stop. When did Noah have the most potential energy?

The figure below shows a wagon that moves from point X to point Y.Which of the following best describes the wagon's change in energy as it coasts from point X to point Y?

A student swings a bat horizontally, making contact with a ball thrown to her. The ball leaves the bat, and the bat continues moving through the rest of the swing.Which of the following statements best describes the change in energy necessary to do work on the ball?

A 2.0 kg mass is moving with a speed of 3.0 m/s. What is the kinetic energy of the mass?

Starting from rest a 2 kg block of wood slides a distance of two meters down a frictionless slope, as shown. What is the approximate kinetic energy of the wooden block at the bottom of the slope

A man applies a force of 100 N to a rock foe 60 seconds, but the rock does not move. What is the amount of work done on the rock?

A steel ball is dropped from a height (h) of 90 m as shown in the diagram below.What is the potential energy (PE) and kinetic energy (KE) of the ball at h=36.0 m

A student exerts a force of 500 N pushing a box 10 m across a floor in 10 seconds. How much work does the student perform?

Which statement best explains how iron can become a magnet?

Two parallel copper wires are each carrying the same electrical current in the same direction. Which statement explains how they respond to each other?

Which of the following electromagnets would have the greatest magnetic fi eld?

The diagram below shows a bar magnet within a coil of conducting wire. The magnet is moved back and forth. The magnet never has contact with the wire.As the magnet is moved, the wire will

The diagram below shows current flow through a wire.Which of the following represents the magnetic field resulting from the current?

Windmills are used to convert wind energy into a more useful form. In most cases, there are three steps in this process. The energy is in a different form at each step. Which of the following flowcharts shows the most likely order of the energy changes?

In the accompanying diagram, a potential difference is induced in a rectangular wire loop as it is rotated at constant speed between two magnetic poles.If the direction of the field is reversed and the speed of rotation is doubled, the magnitude of the maximum induced voltage will be

What is the main advantage of using alternating current (AC) over direct current (DC) when transmitting electricity?

The primary coil of a transformer has 400 turns; the secondary coil has 1,000 turns. An alternating current is sent through the primary coil. The voltage in the primary coil has an amplitude of 17 V. Which statement best describes the voltage amplitude in the secondary coil?

The diagram shows a wire loop rotating between magnetic poles. During 360 degrees of rotation from the position shown, the induced voltage changes in

Two workers use a ramp to help lift a box onto a dock as shown below. Use the diagram, to answer the following question.
Despite the advantage gained by the ramp there is loss of energy mainly due to

The figure below shows a wagon that moves from point X to point Y.
Which of the following best describes the wagon's change in energy as it coasts from point X to point Y?

A student swings a bat horizontally, making contact with a ball thrown to her. The ball leaves the bat, and the bat continues moving through the rest of the swing.

Which of the following statements best describes the change in energy necessary to do work on the ball?

Starting from rest a 2 kg block of wood slides a distance of two meters down a frictionless slope, as shown.
What is the approximate kinetic energy of the wooden block at the bottom of the slope

A steel ball is dropped from a height (h) of 90 m as shown in the diagram below.

What is the potential energy (PE) and kinetic energy (KE) of the ball at h=36.0 m

Which of the following electromagnets would have the greatest magnetic field?

The diagram below shows a bar magnet within a coil of conducting wire. The magnet is moved back and forth. The magnet never has contact with the wire.

As the magnet is moved, the wire will

The diagram below shows current flow through a wire.
Which of the following represents the magnetic field resulting from the current?

In the accompanying diagram, a potential difference is induced in a rectangular wire loop as it is rotated at constant speed between two magnetic poles.

If the direction of the field is reversed and the speed of rotation is doubled, the magnitude of the maximum induced voltage will be

The diagram shows a wire loop rotating between magnetic poles. During 360 degrees of rotation from the position shown, the induced voltage changes in