Which of the Following Is Not a Molecule

question 17

Multiple Choice

Which of the following is not a molecule?

• A)O₃
• B)O₂
• C)C
• D)DNA
• E)H₂O

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Definitions:

Contactors

Electromechanical switches used in electrical circuits to control the flow of power to devices, typically operated by an electromagnetic coil.

Control Coils

Electromagnetic coils used within devices like relays and contactors to control the opening and closing of circuits.

Momentary-Contact

Momentary contact refers to an electrical switch or relay contact designed to close or open a circuit briefly, usually for as long as the actuating mechanism is held.

Jog Circuit

A control circuit method used to momentarily energize a motor or device, allowing for short movements or adjustments without continuous operation.