1

Electric Fields inMaterial Space

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Figure 5.1 Current in a filament.

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Figure 5.2 (a) An isolated conductor under the influence of an applied field. (b) A conductor has zero electric field under static conditions.

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Figure 5.3 A conductor of uniform cross section under an applied E field.

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Figure 5.4 Van de Graaff generator, for Example 5.2.

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Figure 5.5 Cross section of the lead bar of Example 5.4.

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Figure 5.6 Polarization of a nonpolar atom or molecule.

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Figure 5.7 Polarization of a polar molecule: (a) permanent dipole (E 0), (b) alignment of permanent dipole (E 0).

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Figure 5.8 A block of dielectric material with dipole moment P per unit volume.

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Figure 5.9 An electrometer; for Practice Exercise 5.8.

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Figure 5.10 Dielectric–dielectric boundary: (a) determining E1t E2t, (b) determining D1n D2n.

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Figure 5.11 Refraction of D or E at a dielectric–dielectric boundary.

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Figure 5.12 Conductor–dielectric boundary.

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Figure 5.13 Electrostatic screening.

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Figure 5.14 Conductor–free space boundary.

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Figure 5.15 For Example 5.9.

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Figure 5.16 For Example 5.10.

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Figure 5.17 For Review Question 5.8.

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Figure 5.18 For Problems 5.10 and 5.19.

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Figure 5.19 For Problem 5.32.

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Figure 5.20 For Problem 5.34.

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Figure 5.21 For Problem 5.35.