answersLogoWhite

0

An electromagnet can raise a barrier by generating a magnetic field when an electric current flows through it. When the magnet is activated, it pulls a metal armature attached to the barrier, lifting it up against the force of gravity. The strength of the electromagnet determines its lifting capacity.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Related Questions

How can the electromagnet be used to raise the barrier?

An electromagnet can be used to raise a barrier by creating a magnetic field when current flows through it. The magnetic field attracts the metal barrier, causing it to rise. By controlling the flow of current to the electromagnet, the barrier can be raised and lowered as needed.


State two methods of increaseing the strength of the magnetic field?

Add another magnet. If an electromagnet increase the windings and/or the power applied. Raise the voltage applied and you will raise the magnetic flux.


Which is better a permanent magnet or an electromagnet?

electromagnet


An electromagnet becomes storgner when the?

an electromagnet becomes storgner when the.


What does an electromagnet operator do to release metal attached to the electromagnet?

An electromagnet operator can release metal attached to the electromagnet by turning off the electric current flowing through the electromagnet coils. This de-energizes the electromagnet, causing the magnetic field to dissipate and the metal object to fall off.


What does an electromagnet operator do to release metal attached to an electromagnet?

burat


What is a magnet made by electric current?

An electromagnet.


Why electromagnet is used for separating plastic bags?

An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.An electromagnet can attract the metal, leaving the plastic behind.


Why electromagnet is different from a permanent magnet because an electromagnet what?

Mainly in that the electromagnet is NOT permanent. In other words, it can be switched on and off.Another relevant difference is that the electromagnet constantly requires power, at least while it is on.


Who built the first electromagnet?

Linc Robinson built the first electromagnet.


When was the electromagnet invented?

The electromagnet was invented in the year 1850 by william sturgeon :)


What determines where electromagnet waves fall on the electromagnet spectrum?

Frequency determines this.