Examlex
A 1500-W heater is connected to a 120-V line for 2.0 hours.How much heat energy is produced?
Actuated
Triggered or moved into action, often referring to the activation of a mechanical device or system component in response to a control signal.
Proximity Switch
An electronic sensor capable of detecting the presence of nearby objects without physical contact, often using electromagnetic fields.
Physical Contact
The situation or condition where two or more objects are touching each other or connected in a way that allows for the transfer of electricity, heat, or mechanical forces.
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