TS EAMCET · Physics · Magnetic Effects of Current
Two points \(A\) and \(B\) on the axis of a circular current loop are at distances of 4 cm and \(3 \sqrt{3} \mathrm{~cm}\) from the centre of the loop. If the ratio of the induced magnetic fields at points \(A\) and \(B\) is \(216: 125\), the radius of the loop is
- A 3 cm
- B 4 cm
- C 5 cm
- D 6 cm
Answer & Solution
Correct Answer
(A) 3 cm
Step-by-step Solution
Detailed explanation
Magnetic field at a point on the axis of circular loop is given by…
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