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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismBiot-savart's & Ampere's Circuital lawEasy2 minPYQ_2020

PhysicsEasysingle choice

A long solenoid of length $L$ has a mean diameter $D .$ It has $n$ layers of winding of $N$ turns each. If it carries a current $I,$ the magnetic field at its centre will be

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Answer:

Solution:

Magnetic field due to solenoid is independent of diameter

$(∵ B = μ_{0} n I)$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Biot-savart's & Ampere's Circuital law

⏱ 2mℹ️ Source: PYQ_2020

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