AP EAMCET · PHYSICS · Magnetic Effects of Current
A magnetic field is applied on an electron moving with a velocity of \(10^7 \mathrm{~ms}^{-1}\) at an angle of \(30^{\circ}\). Then the time period of revolution of the electron in a circular path of radius \(2 \mathrm{~m}\) is ____
- A \(5.5 \times 10^{-6} \mathrm{~s}\)
- B \(7.0 \times 10^{-7} \mathrm{~s}\)
- C \(2.5 \times 10^{-6} \mathrm{~s}\)
- D \(3.5 \times 10^{-7} \mathrm{~s}\)
Answer & Solution
Correct Answer
(C) \(2.5 \times 10^{-6} \mathrm{~s}\)
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