In a Common Dc Circuit,electrons Typically Move at the Speed

question 12

Multiple Choice

In a common dc circuit,electrons typically move at the speed of

• A)a fraction of a centimeter per second.
• B)a few meters per second.
• C)sound.
• D)light.
• E)none of the above

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Definitions:

PLC Input Interface

The PLC input interface is the component of a Programmable Logic Controller (PLC) where data from external devices is received and converted into a format that the PLC can process.

Field Devices

Equipment such as sensors, actuators, and transmitters located in the operational environment, directly interacting with the process or physical phenomena being controlled.

Processor

The central part of a computer or other digital systems that interprets and executes instructions.

Hand-Held Programming

The use of portable devices to program or configure machinery and equipment directly on the plant floor.