Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • A straight current (i) carrying conductor and having a mass m is hinged at a point on the boundary of magnetic field of intensity B as shown. The system lies in the x-y smooth horizontal plane. If

A straight current (i) carrying conductor and having a mass m is hinged at a point on the boundary of magnetic field of intensity B as shown. The system lies in the x-y smooth horizontal plane. If the conductor is released, the angular acceleration of the conductor will be

Option: 1

\frac{3iB}{m}


Option: 2

\frac{3iB}{4m}

 


Option: 3

\frac{3iB}{2m}


Option: 4

\frac{3iB}{\sqrt{2}m}


Answers (1)

best_answer

dF=iBdl\\ \int d\tau = \int iBdl\:dl\\ \\ \tau =\frac{iBl^2}{2}\\ \\ \tau =l\alpha \\ \\ \alpha= \frac{iBl^3}{2ml^2}= \frac{3iB}{2m}

Posted by

Ritika Jonwal

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main Marks vs Percentile 2025: How many marks do you need to score 95+ percentile?
anam-khan

JEE Main 2025 session 1 official answer key out; challenge by February 6; how to calculate NTA score?
anam-khan

JEE Main 2025: NIT Raipur's CSE cut-offs drop; closing ranks in popular branches

Latest Question