A long solenoid of radius 1 mm has 100 turns per mm. If 1 A current flows in the…

Physics · NEET · NTA Exams — Magnetic Effects of Current and Magnetism

1. \(12.56 \times 10^{-4} \mathrm{~T}\)
2. \(6.28 \times 10^{-4} \mathrm{~T}\)
3. \(6.28 \times 10^{-2} \mathrm{~T}\)
4. \(12.56 \times 10^{-2} \mathrm{~T}\)

Answer

(A) 12.56 10^ -4 ~T

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• A 250-Turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85 A and subjected to a…
• The maximum current that can be measured by a galvanometer of resistance 40 Ω, is 10 mA. It is converted into…
• A proton (mass m and charge e) and an alpha particle (mass 4m and charge +2e) are projected with the same…
• Given below are two statements Statement I : Bio-Savart's law gives us the expression for the magnetic field…
• For a certain thermocouple, the temperature of the cold junction is 0 o C, the neutral and inversion…
• The ratio of de-Broglie's wavelength of an II -particle to that of a proton which are being subjected to the…
• Which of the following in motion can NOT be deflected by a magnetic field.
• The dimensions of E B are same as that of :

More Magnetic Effects of Current and Magnetism questions · Browse all practice questions