Class 12PhysicsMoving Charges and MagnetismAmpere’s circuital law and its application (Solenoid and Toroid)
DifficultThe region inside a current-carrying toroid is filled with a material (Niobium) having magnetic susceptibility $\chi = 2.6 \times 10^{-5}$. The percentage increase in the magnetic field in the presence of Niobium over that without it is:
- A$2.6 \times 10^{-3} \%$
- B$2.6 \times 10^{-4} \%$
- C$2.6 \times 10^{-2} \%$
- D$2.6 \times 10^{-5} \%$
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MediumNEET 2019
View SolutionThe magnetic field intensity $H$ at the centre of a long solenoid having $n$ turns per unit length and carrying a current $I$,when no material is kept in it is ($\mu_0 =$ permeability of free space).
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