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A solenoid of 1000 turns per metre has a core with relative permeability 500 . Insulated windings of the solenoid carry …

Q1

A solenoid of 1000 turns per metre has a core with relative permeability 500 . Insulated windings of the solenoid carry an electric current of \(5\mathrm{A}\). The magnetic flux density produced by the solenoid is:(Permeability of free space is \(4\pi \times {10}^{-7}\))

[JEE Main 2021, 17 Mar (Shift 1)]

a

\(\pi \mathrm{T}\)

b

\(2\times {10}^{-5}\pi \mathrm{T}\)

c

\({10}^{-4}\pi \mathrm{T}\)

d

\(\frac{\pi }{5}\mathrm{T}\)

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