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25 Dec 2020

In the figure, the point charges are located at the corners of an equilateral triangle 22 cm on a side.

Find the magnitude of the electric field in N/C at the location of qa given that qb=11.1 uC and qc = -5.3 uC

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Electricity and Magnetism
Skill
Electric field and force on charges
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Related textbook solutions

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

Related questions

(a) Using the symmetry of the arrangement, show that the electric field at the center of the square in figure 18.46 is zero if the charges on the four comers are exactly equal.Show that this is also true for any combination of charge in which qa= qb = and qc = qd  .  (b) Calculate the magnitude of the electric field at the location of q, given that the square is 5.00 cm on a side.

                                       

Four point charges qA = 2 μC, qB = −5 μC, qC = 2 μC, and qD = −5 μC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 μC placed at the centre of the square?

A 10 uc point charge is located at the center of a thin sphericalshell of radius 8.0 m carrying -20 uc distributed uniformly overits surface. [I think unit of distance has been given as uc whichis changed to m]

a.What is the magnitude of the electric field 2.0 cm from the pointcharge?
E = [(9*10^9)*(10*10^-6)]/2^2 = 2.25*10^4 N/C

b.What is the magnitude of the electric field 6.0 cm from the pointcharge?
2.5 *10^3

c.What is the magnitude of the electric field 15 cm from the pointcharge?

E = [(9*10^9)*(-10*10^-6)]/15^2 = - 40 N/C


2)A solid sphere 27 uc in radius carries 22 uc , distributeduniformly throughout its volume.

Find the electric field strength 54 cm from the sphere'scenter.
[(9*10^9)*(-10*10^-6)*(22uc)]/(54)^2=6.79E^-4

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