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For more information, please see full course syllabus of AP Physics C/Electricity and Magnetism
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  • Table of Contents

Lecture Comments (3)

0 answers

Post by Justin Godbold on March 10, 2016

terrible presentation. Slow. He constantly pauses while speaking.

0 answers

Post by utku sen on May 26, 2013

46. minute is wront. It must be i3 =i1+I

0 answers

Post by Saith Sanchez on September 26, 2012

For example 3, for I3=I1 + I
You put I3=I2+I, was that a mistake of your behalf?

Kirchhoff's Law

  • First rule: If you go around a circuit loop the potential drop is zero.
  • Second rule: At a node, the total current entering the node is equal to the total current leaving the node.

Kirchhoff's Law

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • First Kirchhoff Rule 0:19
    • Two Resistance Connected With a Battery
    • Many Resistance
    • Increase in Potential from A to B
    • Charge Flowing from Higher Potential to Lower Potential
  • Second Kirchhoff Rule 9:17
    • Current Entering
    • Total Current Arriving is Equal Current Leaving
  • Example 14:10
    • Battery 6 V, Resistance 20, 30 Ohms and Another Battery 4v
    • Current Entering I2+I3
  • Example 2 31:20
    • 2 Loop circuit with 6v and 12 v and Resistance, Find Current in Each Resistance
  • Example 3 42:02
    • Battery and Resistance in Loops
  • Ammeters and Voltmeters 56:22
    • Measuring Current is Introducing an Ammeter
    • Connecting Voltmeter, High Resistance
  • Extra Example 1: Find Current
  • Extra Example 2: Find Current
  • Extra Example 3: Find Current