✓ Board-verified
Physics · 2026 · 4 marks
NEET 2026 · 21 June · Code 50 · Q11
A current I 0 flows through a metallic circular loop of radius r as shown in the figure. Resistance of the segment ABC is half that of ADC. Magnitude…
A current $\displaystyle I_0$ flows through a metallic circular loop of radius r as shown in the figure. Resistance of the segment ABC is half that of ADC. Magnitude of magnetic field at the center O of the loop is :
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle \frac{\mu_0 I_0}{12 \mathrm{r}}$
More from Moving Charges and Magnetism
NEET (UG) 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.