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What is the electrical annunciator?
An electrical annunciator is a device that signals when an electrical circuit is being used.
What is a device that changes energy from the sun into electrical energy?
fossil fules
Whats a device that changes electrical energy into light energy?
a light bulb
What changes mechanical energy into electric energy?
An electrical motor is one device that will fall into that category.
What device changes mechanical energy to electrical energy by roatating a coil of wire througha magnetic field?
Such a device is called a generator, or a dynamo.
What is a device that changes sound into electrical signals?
a microphone
What is the electrical annunciator?
An electrical annunciator is a device that signals when an electrical circuit is being used.
In recording what is a mike?
It is a short word for microphone, used in recording the actual sound. it changes sound waves into electrical signals.
What is a device that captures electrical signals and converts them to sound?
speaker
Which electrical device changes electrical energy into mechanical energy?
The motor changes electrical energy into mechanical (torque) energy.
What device changes mechanical energy into electrical energy?
An electrical generator
What is a communications device that sends electrical signals along a wire?
telephone
What is an electrical device that changes the voltage of electricity through the use of two sets of coils?
The electrical device is a transformer.
What is an electrical device that changes the voltage of electricity through the use of two sets of coils.?
The electrical device is a transformer.
What device changes electrical energy into chemical energy?
a battery
What is ment by transistor?
semiconductor device used to amplify and switch electronic signals and electrical power.
What is an acoustic coupler?
An acoustic coupler is an interface device for coupling electrical signals by acoustical means.
