TS EAMCET · Physics · Magnetic Effects of Current
A planet has magnetic dipole moment of . If the radius of the planet is , what would be the magnetic field at its equator?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Considering the whole planet as magnetic dipole, we can write magnetic field at equatorial position as, Bequator=μ04π×Mr3=10-7×27×1022300×1033=1 T
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