Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • If the ratio of magnetic fields at two points in a definite direction due to a long current-carrying wire is <img alt="\frac{3}{4}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cfrac

If the ratio of magnetic fields at two points in a definite direction due to a long current-carrying wire is \frac{3}{4} , then the ratio of the distance of these points from the wire will be:

Option: 1

\frac{2}{\sqrt{3}}


Option: 2

\frac{4}{3}


Option: 3

\sqrt{\frac{3}{4}}


Option: 4

\sqrt{\frac{3}{2}}


Answers (1)

best_answer

B =\frac{\mu_{0}i}{2\pi r}

B \alpha \frac{1}{r}

\implies B \alpha \frac{1}{r1}                B \alpha \frac{1}{r2}

            \frac{B1}{B2} =\frac{r2}{r1}

\implies \frac{3}{4} =\frac{r2}{r1}

\implies \frac{r1}{r2} =\frac{4}{3}

Posted by

Gautam harsolia

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 2025: NIT Rourkela cut-offs for CSE, chemical engineering drop; last years' closing ranks
anam-khan

JEE Main 2025 Live: NTA exam city slip at jeemain.nta.nic.in soon; session 1 schedule
anam-khan

JEE Main 2025 schedule out for session 1; paper 1 from January 22

Latest Question