Examlex
Which of the following contains covalent bonds?
Twisted-pair Cable
A type of wiring in which two conductors of a single circuit are twisted together to cancel out electromagnetic interference.
External Casing
The outer shell or covering that protects the internal components of a device or machine.
Wires
Thin strands of metal or other materials used to conduct electricity or signals between devices or components.
Radio Waves
Electromagnetic waves with wavelengths longer than infrared light, used in wireless communication systems to transmit data and broadcasts.
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