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how does input device work
yes
It allow you to disconnect power to an electrical device with the flip of a switch.
A fuse.
An electrical safety device that can be reset and used again fits the description of an electrical circuit breaker.
Efficiency
The efficiency of a device in electronics and electrical engineering is defined as useful power output divided by the total electrical power consumed. Scroll down to related links and look at "Electrical efficiency - Wikipedia".
electrical device
machine is an electrical device
Any electrical device that emits Light
That is called the "efficiency" of the device.
The device that protects the home from the start of an electrical fire is an electrical breaker or in some older homes a fuse system.
which electrical wires bring electricity to an electrical device or motor The cable, otherwise known as the flex or the lead.
efficiency(:
That amount is always less than the energy you put into the system. Divide the amount of useful energy you get from a system by the amount of energy you put into it, and you find the system's 'efficiency'.
The electrical device is a transformer.
It is an electrical-electronics device.