Lecture11

Lecture11 - 1 Lecture 11 Chapter 18. Magnetic Field *...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Lecture 11 Chapter 18. Magnetic Field * Electron Current * Detecting Magnetic Fields *1 Biot-Savart Law: Single Moving Charge 2/15/11 2 Bar Magnets From North to South N S N S Attraction S N N S Repulsion Bar magnet ... two poles: N and S Like poles repel; Unlike poles attract. Magnetic Field lines: (defined in same way as electric field lines, direction and density) N S 2/15/11 3 3 Magnetic monopoles? Electric dipole consists of two opposite charges monopoles. N S Break magnet: S N 2/15/11 4 Electrostatics versus Electric Current 2 2/15/11 5 Electric Current Electrostatic Equilibrium Steady-State Note: Current arrow is drawn in direction in which positive charge carriers would move, even if the actual charges are negative & move in the opposite direction. Battery + - 2/15/11 6 Electric Current Notice that flow of positive charge in one direction, + + + + + + + + + + CURRENT I Becomes more positive Becomes more negative Its completely equivalent to negative charge in the...
View Full Document

Page1 / 5

Lecture11 - 1 Lecture 11 Chapter 18. Magnetic Field *...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online