A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic…
Physics · NEET · NTA Exams — Magnetic Effects of Current and Magnetism
A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the center of the solenoid is :
\(\left(\mu_{\sharp}=4 \pi \times 10^{-7} \mathrm{Tm} \mathrm{~A}^{-1}\right)\)
- \(6.28 \times 10^{-4} \mathrm{~T}\)
- \(3.14 \times 10^{-4} \mathrm{~T}\)
- \(6.28 \times 10^{-5} \mathrm{~T}\)
- \(3.14 \times 10^{-5} \mathrm{~T}\)
Answer
(B) 3.14 10^ -4 ~T
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