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What are electromagents?
Magnets that are turned on by passing an electric current through them, and turned off by not allowing an electric current through them.
What happens with the energy associated to the magnetic field of a coil with electric current if the electric current is turned off?
The magnetic field or energy associated with the magnetic field will no longer be generated if the current is turned off.
When this is turned off the electromagnet is no longer magnetic?
Electric current.
What happens to an electric current at a switch?
At a switch, the electric current can be opened (turned off) or closed (turned on) depending on the position of the switch. When the switch is opened, the circuit is broken, and no current flows. When the switch is closed, the circuit is complete, and current can flow through the circuit.
Why is electric current felt in an electric wire when the switch is turned off?
When the switch is turned off in an electric circuit, there may still be residual electric current present in the wire due to capacitance or inductance effects. This residual current can result in a small sensation when the individual touches the wire. However, the sensation should be much weaker than when the circuit is actually active.
In geometry what is a rotation?
A rotation is when a shape is turned.
What part of a windmill is turned when it is windy?
The blades of a windmill are turned by the wind. When the wind blows, it causes the blades to rotate, generating mechanical energy that can be converted into electricity or used for other purposes.
Can Permanent magnets be turned on and off?
Electromagnet which uses electric current can be turned on and off.
An electromagnet is a type of what?
An electromagnet is a type of magnet that becomes magnetic when an electric current flows through it and loses its magnetism when the current is turned off.
Can electromagnets be turned off by opening an electric circuit?
True.. Yes, they operate by turning the current on and off
What term is used to describe memory that losses its data when the electric current is turned off or interrupted?
Volatile.
What is celinoid?
The starter solenoid receives a large electric current from the car battery and a small electric current from the ignition switch. When the ignition switch is turned on, a small electric current is sent to the starter solenoid. This causes the starter solenoid to close a pair of heavy contacts, thus relaying a large electric current to the starter motor, which in turn sets the engine in motion.
