MHT CET · Physics · Atomic Physics
An electron moves in Bohr orbit. The magnetic field at the centre is proportional to
- A \(\mathrm{n}^{-2}\)
- B \(\mathrm{n}^{-3}\)
- C \(\mathrm{n}^{-4}\)
- D \(n^{-5}\)
Answer & Solution
Correct Answer
(D) \(n^{-5}\)
Step-by-step Solution
Detailed explanation
\(I = \frac{e}{T} = \frac{e v}{2 \pi R}\) \(B = \frac{\mu_0 I}{2R} \propto \frac{I}{R}\)
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