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Question: Answered & Verified by Expert
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 ____
PhysicsMagnetic Effects of CurrentAP EAMCETAP EAMCET 2017 (24 Apr Shift 1)
Options:
  • 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 $3.5 \times 10^{-7} \mathrm{~s}$
Solution:
2750 Upvotes Verified Answer
The correct answer is: $2.5 \times 10^{-6} \mathrm{~s}$
No solution. Refer to answer key.

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