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20 Nov 2019

1. An infinitely long wire carriesuniformstatic electric charge of line density λ.

a. Find the electric fieldEat a distance a vertically above themid-point of thewire.

b. If the length of the wire is 2aandan identical wire is placed at right angle from one end of thewire,Find the E at point P which is equidistant from both wiresanddistance a perpendicular to both wires.(seefigure)

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A wire of length L carries a charge λ per unit length. (a) Showthat the electric field at a point a distance R from the wire isgiven by:

Eperpendicular = (kλ/R)(sinθ2-sinθ2) andEparallel = -(kλ/R)(cosθ2-cosθ1),

where E perpendicular and E parallel are the components of Eperpendicular and parallel to the wire and θ1 andθ2 are the angles that the lines from the point to theends of the wire make with the perpendicular to the wire. (b) Findthe field when the point is equidistant from both ends. (c) Thesigns of angles θ1 and θ2 are indicated inthe figure.

A wire of length L carries a charge λ per unit length. (a) Showthat the electric field at a point a distance R from the wire isgiven by:

E perpendicular = (kλ/R)(sinθ2 - sinθ1)and E parallel = -(kλ/R)(cosθ2 - cosθ1),

(b) Find the field lines when the point is equidistant from bothends

(c) The signs of angles θ1 and θ2 areindicated in the figure



An infinitely long wire carrying a current I is bent right angle as shown if figure. Determine the magnetic field at point P, located a distance x from the corner of the wire.

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