CUET Preparation Today
A long solenoid is formed by winding 40 turns/cm. The current required to produce a magnetic field of 22 mT inside the solenoid will be (Take $μ_0 = 4 π × 10^{-7} T m A^{-1}$) |
2.2 A 4.4 A 0.22 A 0.44 A |
4.4 A |
Right Answer not mentioned in NTA Answer key |
