Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
An electron of mass $9 \times 10^{-31} \mathrm{~kg}$ and charge $1.6 \times 10^{-19} \mathrm{C}$ moving with a velocity of $10^6 \mathrm{~ms}^{-1}$ entered a magnetic field normally and described a circle of radius $10 \mathrm{~cm}$. Then the intensity of the magnetic field is
PhysicsMagnetic Effects of CurrentAP EAMCETAP EAMCET 2017 (25 Apr Shift 1)
Options:
  • A $5.625 \times 10^{-5} \mathrm{~T}$
  • B $1.414 \times 10^{-5} \mathrm{~T}$
  • C $1.833 \times 10^{-5} \mathrm{~T}$
  • D $4.667 \times 10^{-5} \mathrm{~T}$
Solution:
2276 Upvotes Verified Answer
The correct answer is: $5.625 \times 10^{-5} \mathrm{~T}$
No solution. Refer to answer key.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play