Magnetic Effect of Electric Current

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

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

The needle would spin rapidly

The needle would point due north

The needle would show no deflection (correct)

The needle would repel the wire

<p>It causes a deflection in a magnetic compass needle</p> Signup and view all the answers

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

<p>To demonstrate that electricity can create magnetic fields</p> Signup and view all the answers