Examlex
A concave mirror has a radius of curvature of 60.0 cm.How close to the mirror should an object be placed so that the rays travel parallel to each other after reflection?
XIO Instruction
"Examine if Open" instruction in PLC programming, used to check if a Boolean input condition is false before executing the subsequent logic.
Series Contact Instructions
Guidelines or directives related to the configuration or wiring of electrical contacts in a series circuit arrangement.
Ladder Logic
A programming language used to program programmable logic controllers (PLCs), visually resembling the schematic diagrams of relay logic hardware.
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