Which transmission medium uses electrical signals to transmit data?

Options

  • A. Optical fiber
  • B. Infrared
  • C. Copper cable
  • D. Laser communication
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. Copper cable

Detailed Explanation

Correct Answer: Copper Cable

  • Copper cables transmit data through electrical signals.
  • Examples include twisted-pair cables and coaxial cables.
  • Optical fiber uses light signals instead of electrical signals.