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Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsElectric Field & ForceEasy2 minPYQ_2015

PhysicsEasysingle choice

The electric field in a certain region is acting radially outward and is given by $E = A r$ . A charge contained in a sphere of radius $a$ centred at the origin of the field will be given byNEET 2015 (Phase 1)

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Answer:

Solution:

We know

$E_{Sphere} = \frac{1}{4 {πε}_{0}} \frac{q}{r^{2}}$

$\frac{1}{4 {πε}_{0}} \frac{q}{a^{2}} = Aa$

$q = 4 {πε}_{0} {Aa}^{3}$

Stream:NEETSubject:PhysicsTopic:ElectrostaticsSubtopic:Electric Field & Force

⏱ 2mℹ️ Source: PYQ_2015

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