AP EAMCET · PHYSICS · Magnetic Effects of Current
An infinitely long straight conductor is bent into the shape as shown below. It carries a current of I ampere and the radius of the circular loop is R metre. Then, the magnitude of magnetic induction at the centre of the circular loop is
- A \(\frac{\mu_0 I}{2 \pi R}\)
- B \(\frac{\mu_0 n I}{2 R}\)
- C \(\frac{\mu_0 I}{2 \pi R}(\pi+1)\)
- D \(\frac{\mu_0 I}{2 \pi R}(\pi-1)\)
Answer & Solution
Correct Answer
(D) \(\frac{\mu_0 I}{2 \pi R}(\pi-1)\)
Step-by-step Solution
Detailed explanation
Magnetic field due to long wire at \(O\) point \(B_1=\frac{\mu_0}{2 \pi}\left(\frac{I}{R}\right)\) (upward direction) Magnetic field due to loop at \(O\) point…
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