On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar magnet. Show the field both inside and outside the magnet. On the diagram, indicate the direction of the current through the wire when the circuit is complete. Predict the direction of the force exerted on the wire by the magnet when the circuit is complete. Explain. Check your prediction (Do not leave the battery connected for more than a few seconds. The battery and wires will become hot if the circuit is complete for too long.)

Question

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Answer 1

Textbook Question

Chapter 7.2, Problem 1aT

On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar magnet. Show the field both inside and outside the magnet.

Chapter 7.2, Problem 1aT, On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar

On the diagram, indicate the direction of the current through the wire when the circuit is complete.

Predict the direction of the force exerted on the wire by the magnet when the circuit is complete. Explain.

Check your prediction (Do not leave the battery connected for more than a few seconds. The battery and wires will become hot if the circuit is complete for too long.)

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

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04:20

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Answer 2

Textbook Question

Chapter 7.2, Problem 1aT

On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar magnet. Show the field both inside and outside the magnet.

Chapter 7.2, Problem 1aT, On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar

On the diagram, indicate the direction of the current through the wire when the circuit is complete.

Predict the direction of the force exerted on the wire by the magnet when the circuit is complete. Explain.

Check your prediction (Do not leave the battery connected for more than a few seconds. The battery and wires will become hot if the circuit is complete for too long.)

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

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04:20

Answer 3

Textbook Question

Chapter 7.2, Problem 1aT

On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar magnet. Show the field both inside and outside the magnet.

Chapter 7.2, Problem 1aT, On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar

On the diagram, indicate the direction of the current through the wire when the circuit is complete.

Predict the direction of the force exerted on the wire by the magnet when the circuit is complete. Explain.

Check your prediction (Do not leave the battery connected for more than a few seconds. The battery and wires will become hot if the circuit is complete for too long.)

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

04:20

Answer 4

Textbook Question

Chapter 7.2, Problem 1aT

On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar magnet. Show the field both inside and outside the magnet.

Chapter 7.2, Problem 1aT, On an enlargement of the figure below, sketch field lines representing the magnetic field of the bar

On the diagram, indicate the direction of the current through the wire when the circuit is complete.

Predict the direction of the force exerted on the wire by the magnet when the circuit is complete. Explain.

Check your prediction (Do not leave the battery connected for more than a few seconds. The battery and wires will become hot if the circuit is complete for too long.)

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

04:20

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

Answer 8

Expert Solution & Answer

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

To Draw: Magnetic field due to a bar magnet.

The direction of current inside the circuit and the direction of force.

Answer 12

Explanation of Solution

Introduction:

Direction of magnetic field is from north pole to south pole outside the magnet. There is no magnetic field inside the bar magnet.

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 1

Tutorials in Introductory Physics, Chapter 7.2, Problem 1aT , additional homework tip 2

After closing the circuit, the current will flow from right to left. i.e. current will flow clockwise. This is because, the current induced in the circuit always opposes the change.

Direction of force can be calculated by using Fleming’s right-hand rule.

By this rule, three fingers of right hand are stretched such that thumb, first finger, middle finger are at 90 degrees to each other. If the first finger points along the direction of magnetic field, the middle finger points in the direction of the current, then the thumb will give the direction of force.

Applying this rule in the given condition, direction of force will be outside the paper.

Conclusion:

Direction of current is from right to left hand. The direction of force is out of the paper.