Home CAPACITOR ELECTROSTATICS NEET 2020 Previous year Questions A Spherical Conductor Of Radius 10 Cm Has A Charge Of 3.2 × 10–7 C Distributed Uniformly. What Is The Magnitude Of Electric Field At A Point 15 Cm From The Centre Of The Sphere?

A Spherical Conductor Of Radius 10 Cm Has A Charge Of 3.2 × 10–7 C Distributed Uniformly. What Is The Magnitude Of Electric Field At A Point 15 Cm From The Centre Of The Sphere?

$(a)1.28*10^{4}NC^{-1}$

$(b)1.28*10^{5}NC^{-1}$

$(c)1.28*10^{6}NC^{-1}$

$(d)1.28*10^{7}NC^{-1}$

$E=\frac{1}{4\pi \epsilon _{o}}\frac{q}{r^{2}}$

$E=9*10^{9}*\frac{3.2*10^{-7}}{(15*10^{-2})^{2}}$

$E=9*10^{9}*\frac{3.2*10^{-7}}{(225*10^{-4})}$

$E=0.128*10^{6}$

$E=1.28*10^{5}$

Milan Tomic

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