Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismBiot-savart's & Ampere's Circuital lawEasy2 minPYQ_2018

PhysicsEasysingle choice

A long cylindrical wire carrying current of 10 A. has radius of $5 mm$ , then find its magnetic field induction at a point $2 mm$ from the centre of the wire. Current is uniformly distributed.

Options:

Answer:

Solution:

$B B = \frac{μ _{0} I r}{2 π R ^{2}} = \frac{4 π \times 1 0 ^{- 7} \times 10 \times 2 \times 1 0 ^{- 3}}{2 π \times ( 5 \times 1 0 ^{- 3} ) ^{2}} = \frac{40 \times 1 0 ^{- 10}}{25 \times 1 0 ^{- 6}} = 1.6 \times 1 0^{- 4} T$

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

⏱ 2mℹ️ Source: PYQ_2018

Doubts & Discussion

Loading discussions...