WBCS.LIVE practice question

Superconductors are substances which

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. conduct electricity at lower temperature.
  2. offer high resistance to the flow of current.
  3. offer no resistance to the flow of current.
  4. conduct electricity at high temperature.

Correct answer and explanation

Correct answer: offer no resistance to the flow of current.

Explanation: āœ… Correct Answer: C) offer no resistance to the flow of current. šŸ“š Explanation: Superconductors are materials that, when cooled below a specific critical temperature, lose all electrical resistance. This allows them to conduct electricity with 100% efficiency, without losing any energy as heat. This unique property is used in powerful magnets for MRI machines and high-speed maglev trains. Discovering room-temperature superconductors is one of the biggest goals in modern physics.