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The Magnetic Force Between Two Parallel Conductors and Amperes Law The Magnetic Field Near a Long Straight Wire The Magnetic Force Between Two Parallel Conduc- tors Amperes Law The Magnetic Field Created by a Long Current-

  1. The Magnetic Force Between Two Parallel Conductors and Ampere’s Law � The Magnetic Field Near a Long Straight Wire � The Magnetic Force Between Two Parallel Conduc- tors � Ampere’s Law � The Magnetic Field Created by a Long Current- Car- rying Wire � The Magnetic Field of a Solenoid � Homework

  2. ★ ✳ ✖ ★ ✧ ✖ ✑ ✶ ✑ ✁ ✵ ☎ ★ ☎ ✂ ✖ ★ ✧ ✖ ★ ✂ ★ ✍ ❁ ☛ ❇ ☎ ❅ ❆ ❅ ❄ ❃ ❁ ✽✾ ✖ ★ ✧ ✖ ✑ ✑ ✾✿ ✾ ☎ ✑ ☛ ★ ✕ ☎ ✦ ✑ ✖ ✧ ☎ ✌ ✕ ✤ ✖ ✔ ✁ ✓ ✤ ☎ ✌ ☎ ✬ ✁ The Magnetic Field Near a Long Straight Wire θ ds r r s dB R I ✏✒✑ ✑✚✙✜✛✣✢ ✁✎✍ ✁✄✂ ✆✞✝✠✟ ✆✞✝✘✟ ✡☞☛ ✡☞☛ ✕✗✖ ✕✥✖ ✙✜✛✣✢ ✙✜✛✣✢ ✤✮✭ ✩✫✪ ✆✯✝✠✟ ✡☞☛ ✰✲✱✴✳ ✖✸✷✺✹✼✻ ❀❂❁ ✆✯✝✲✟ ✆✯✝✲✟ ✡☞☛

  3. ✩ ❉ ❇ ☛ ✟ ❈ ❉ ❊ ☎ ☛ ✟ ✟ ✖ ❇ ☛ ✩ ❈ ❊ ☎ ✆ ✖ ❉ ❇ ✩ ✩ ✂ ✖ ☎ ✖ ✖ ❇ ☛ ❈ ❉ ❉ ☎ ✟ ✟ ✂ ✖ ☎ ❊ ✝ The Magnetic Force Between Two Parallel Current-Carrying Conductors Serway/Jewett Figure 22.26 ✆✞✝✘✟ ✆✯✝✲✟ ❉❋❊ ✆✯✝✲✟ The force is attractive if the currents are in the same di- rection and repulsive if they are in opposite directions.

  4. ● ✍ ✏ ✂ ✍ ✏ ✑ ☎ Ampere’s Law Serway/Jewett Figure 22.27 ❍■✁ ✆✯✝✲✟ where I is the total current passing through any surface bounded by the closed path.

  5. ✭ ✂ ★ P ✕ ✕ ✕ ☛ ❇ ☎ ✂ ☎ ✭ ✕ ☛ ❇ ✬ ☎ ✆ ● ✍ ✏ ✂ ✑ ☎ ✝ ✟ ✂ The Magnetic Field Created by a Long Current-Carrying Wire Serway/Jewett Figure 22.30 ✏✒✑ ❍■✁✎✍ Outside the wire ●❏✁ ✆✞✝✘✟ ✬▼▲❖◆ ✆✞✝✠✟❑✝

  6. ✭ ❲ ❙❚ ☎ ✂ ❨ ❲ ❲ ❲ ❚❯ ✖ ★ ✖ ✕ ❚❯ ❚ ❚ ✆ ❙❚ ❲ ★ ❭ ✕ ✕ ✕ ❨ ❲ ✝ ✖ ★ ☛ ❇ ✝ ✟ ❚ ❚ ★ ✂ ◗ ✟ ☎ ✕ ✖ ☎ ✖ ☛ ● ✍ ✏ ✖ ★ ✕ ☎ ☛ ☎ ✂ ✬ ❇ ☛ ✕ ✭ ✟ ✖ The Magnetic Field Created by a Long Current-Carrying Wire (cont’d) Serway/Jewett Figure 22.30 Inside the wire ✟❘✝ ✟❑✝ ❱❳❲ ✏✒✑ ❍■✁✎✍ ✆✞✝ ✟❘✝ ❱❳❲ ✬❩▲❬◆

  7. The Magnetic Field Created by a Long Current-Carrying Wire (cont’d) Serway/Jewett Figure 22.30 Serway/Jewett Figure 22.31

  8. The Magnetic Field of a Solenoid

  9. ✟ ✑ ☎ ✍ ✏ ✂ ✟ ☎ ❊ ✟ ✰ ❪ ✂ ✁ ✧ ✂ ✐ ✧ ✐ ✧ ✐ ☎ ❤ ✟ ✂ ❊ ☎ ☎ ✧ ✪ ✂ ❤ ● ✍ ✏ ✂ ✍ ✏ ✑ ☎ ❦ ✍ ✏ ✏ ✂ ✪ ✧ ☎ ✍ ✏ ✍ ✟ ✂ ✧ The Magnetic Field Inside an Infinitely Long Ideal Solenoid Serway/Jewett Figure 22.34 ❍■✁ ✆✯✝✲✟ ✏❵✑ ✏✒✑ ✏✒✑ ✏✒✑ ❍❴✁✎✍ ❍❝✁✎✍ ❍❝✁✎✍ ❍❝✁✎✍ ✆✞✝✲❤ ✰❫❪ ✰❜❛ ✰❡❞ ✰❣❢ ✆✞✝✲❤ ✆✯✝❥❤ ✆✯✝ ✆✞✝ ❊ is the number of turns per unit length where

  10. Homework Set 22 - Dur Wed. May 26 � Read Sections 22.8 - 22.10 � Do Problems 22.30, 22.31, 22.33 & 22.41

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