a 2a Figure P23.46

A nonconducting wall carries charge with a uniform Q5 density of 8.60 µC/cm². (a) What is the electric field 7.00 cm in front of the wall if 7.00 cm is small compared

Two very large, nonconducting plastic sheets, each 10.0 cm thick, carry uniform charge densities 01, 02, 03 and 04 on their surfaces, as shown in the following figure.These surface charge densities have the values o1 = -5.30 µC/m2, o2-5.00µC/m2, o3 = 2.90 µC/m2, and 04-4.00μC/m2. Use Gauss's law to find the magnitude and direction of the electric field at the following points, far from the edges of these sheets. Part A: What is the magnitude of the electric field at point A, 5.00 cm from the left face of the left-hand sheet? Express your answer to three significant figures and include the appropriate units.

A charge of uniform linear density 2.40 nC/m is distributed along a long, thin, nonconducting rod. The rod is coaxial with a long conducting cylindrical shell (inner radius = 5.60 cm, outer radius = 9.20 cm). The net charge on the shell is zero. (a) What is the magnitude of the electric field at distance r = 14.8 cm from the axis of the shell? What is the surface charge density on the (b) inner and (c) outer surface of the shell? Gaussian cylinder Shell Rod- (a)

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Two very large, nonconducting plastic sheets, each 10.0 cm thick, carry uniform charge densities 01, 02, 03 and 04 on their surfaces, as shown in the following figure (Figure 1). These surface charge densities have the values 01 = -5.50 μC/m², 02 = 5.00 μC/m², 03 = 1.00 μC/m², and 4 = 4.00 μC/m². Use Gauss's law to find the magnitude and direction of the electric field at the following points, far from the edges of these sheets. Part A What is the magnitude of the electric field at point A, 5.00 cm from the left face of the left-hand sheet? Express your answer with the appropriate units. E = O μA Value Units ?

A spherically symmetric charge distribution has a charge density given by p = a/r where a is a constant with the units of C/m^2. Find the electric field within the charge distributuion as a function of r.