Physics · Superconductivity and Magnetism
Which of the following statements is/are true? 1. Superconductors have almost zero resistivity. 2. An external magnetic field has no effect on superconductors. 3. Barium Ferrite cannot be used for permanent magnets.
- 1Only 1 is correct✓
- 2Only 1 and 3 are correct
- 3Only 2 is correct
- 4Only 1 and 2 are correct
Correct answer
Only 1 is correct
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