A coil having 2000 turns is wound tightly in the form of a spiral with inner and outer radii 1 cm and 3 cm respectively. When a current {1/\pi}\mA passes through the coil the magnetic field at the centre is calculated to be \Kln 3\times10^{-6} \T. The value of \K is

TS EAMCET 6-Aug-2021 Shift 2 Question Paper

Section: Physics

Question : 110 of 160

Marks: +1, -0

A coil having 2000 turns is wound tightly in the form of a spiral with inner and outer radii 1 cm and 3 cm respectively. When a current

‌mA passes through the coil the magnetic field at the centre is calculated to be Kln 3×10−6 T. The value of K is

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