Magnetism and Electromagnetism problems
- 1. You can determine the direction of the lines of force surrounding a conductor by using _____.
Options- A. the right-hand rule
- B. the left-hand rule
- C. Lenz's law
- D. Faraday's law Discuss
Correct Answer: the right-hand rule
- 2. The flux density is ___ when the magnetic flux is 9 µWb and the cross-sectional area of the magnetic field is 5 × 10?3 m2.
Options- A. 1800 µT
- B. 555.56 T
- C. 9 µT
- D. 5 × 10?3 T Discuss
Correct Answer: 1800 µT
- 3. Ferromagnetic materials have minute magnetic ___ created within their atomic structure by the orbital motion and spin of electrons.
Options- A. forces
- B. flux lines
- C. domains
- D. tapes Discuss
Correct Answer: domains
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