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Magnetic Effect of Electric Current

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Questions and Answers

What is the purpose of the activity described in the text?

To show that a closed circuit is necessary for electricity to flow

To observe the variations in voltage with different wire materials

To illustrate that electric current passing through a conductor produces a magnetic effect (correct)

To demonstrate the directional properties of magnets

Why is it important to use insulated copper wire in the activity?

To make the compass needle spin continuously

To prevent electric shocks (correct)

To reduce the resistance in the circuit

To increase the magnetic effect of the current

How would the observation change if the switch in the activity was turned off?

The needle would spin rapidly

The needle would point due north

The needle would show no deflection (correct)

The needle would repel the wire

Which of the following best describes the magnetic effect produced by a current-carrying conductor?

It causes a deflection in a magnetic compass needle Signup and view all the answers

How does the effect of current on a magnetic compass relate to magnets?

Current produces similar effects as the magnetic field of a magnet Signup and view all the answers

What is the significance of observing the deflection of a magnetic compass near a current-carrying wire?

To demonstrate that electricity can create magnetic fields Signup and view all the answers

Magnetic Effect of Electric Current

Choose a study mode

Podcast

Questions and Answers

What is the purpose of the activity described in the text?

Why is it important to use insulated copper wire in the activity?

How would the observation change if the switch in the activity was turned off?

Which of the following best describes the magnetic effect produced by a current-carrying conductor?

How does the effect of current on a magnetic compass relate to magnets?

What is the significance of observing the deflection of a magnetic compass near a current-carrying wire?

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