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Category: Electrostatics

Two-point-charges-q-1-0-4-C-and-q-2-0-3-C-are-placed-at-10cm-apart-Calculate-a-the-potential-at-point-A-which-is-midway-between-them-and-b-point-B-which-is-6cm-from-q-1-and-8cm-from-q-2-

Question Number 40711 by Necxx last updated on 26/Jul/18 Twopointcharges,q1=0.4μCandq2=0.3μCareplacedat10cmapart.Calculate(a)thepotentialatpointAwhichismidwaybetweenthem,and(b)pointBwhichis6cmfromq1$${and}\:\mathrm{8}{cm}\:{from}\:{q}_{\mathrm{2}} \

A-charge-q-1-2-0-10-9-C-is-placed-at-the-point-x-0-y-4cm-and-another-charge-q-2-3-0-10-9-C-is-located-at-the-point-x-3cm-y-4cm-If-a-third-charge-q-3-4-0-10-9-C-is-placed-at-the-origi

Question Number 40700 by Necxx last updated on 26/Jul/18 Achargeq1=2.0×109Cisplacedatthepoint,(x=0,y=4cm)andanothercharge,q2=3.0×109Cislocatedatthepoint,(x=3cm,y=4cm).$${If}\:{a}\:{third}\:{charge},{q}_{\mathrm{3}} =\mathrm{4}.\mathrm{0}×\mathrm{10}^{−\mathrm{9}} {C} \

Two-charged-concentric-spheres-have-radii-of-10cm-and-18cm-The-charge-on-the-inner-sphere-is-6-0-10-8-C-and-that-on-the-outer-sphere-is-2-0-10-8-C-Find-the-electric-field-i-at-r-12cm-and-ii-at

Question Number 39794 by NECx last updated on 11/Jul/18 Twochargedconcentricsphereshaveradiiof10cmand18cm.Thechargeontheinnersphereis6.0×108Candthatontheoutersphereis2.0×108C.Findtheelectricfield(i)atr=12cmand$$\left({ii}\right){at}\:{r}=\mathrm{25}{cm} \

A-positive-charge-of-magnigude-2-5-C-is-at-the-centre-of-an-uncharged-spherical-conducting-shell-of-inner-radius-60cm-and-an-outer-radius-of-90cm-i-find-the-charge-densities-on-thd-inner-and-outer-s

Question Number 39792 by NECx last updated on 11/Jul/18 Apositivechargeofmagnigude2.5μCisatthecentreofanunchargedsphericalconductingshellofinnerradius60cmandanouterradiusof90cm.(i)findthechargedensitiesonthdinnerandoutersurfacesofthe$${shell}\:{and}\:{the}\:{total}\:{charge}\:{on}\:{each} \