Electricity and Magnetism AP Physics Help by Topic
I. Electric Charge, Electric Force, and Electric Field
video I1: Types of Charge, Polarization of Charge, and Charging by Induction video I2: Coulomb's Law, The Principle of Superposition, and Electric Fields video I3: Force due to an Electric Field on a Point Charge, Torque due to an Electric Field on a Set of Charges, Information from Electric Field Lines video I4: The Motion of Particles in a Uniform Electric Field video I5: The Electric Field Due to 2 or More Charges video I6: The Electric Field Due to a Straight Uniformly Charged Wire video I7: The Electric Field Due to a Straight Uniformly Charged Wire (part 2) video I8: Electric Field Due to a Ring of Charge video I9: Electric Field Due to a Semi-Circular Ring of Charge video I10: Unit I Review of Electrostatics (part 1). You might want to pause the video each time a question is asked and try to get the answer on your own. video I11: Unit I Review of Electrostatics (part 2) video I12: Unit I Review of Electrostatics (part 3)
J. Gauss's Law
video J1: An Introduction to Gauss's Law. This video explains the basics behind Gauss's Law. video J intro 1: An Introduction to Electric Flux (part 1) video J intro 2: An Introduction to Electric Flux (part 2) video J3: Finding the Electric Field for a Uniormly Charged Solid Wooden Sphere. It doesn't have to be made out of wood. It can be any insulating material. video J4: Conductors in Electrostatic Equilibrium video J5: Gauss's Law and Concentric Spherical Shells video J6: Gauss's Law and Concentric Spherical Shells (part 2) video J7: Gauss's Law and Co-Axial Cables video J8: Gauss's Law and Co-Axial Cables (part 2) video J9: Gauss's Law and the Electric Field Due to a Very Long and Wide Slab of Charge. video J10: Gauss's Law and the Electric Field Due to a Very Long and Wide Plane of Charge. video J11: Gauss's Law and a the Electric Field Due to a Non-Uniformly Distributed Spherical Charge Density video J12: Gauss's Law and the Electric Field Due to a Non-Uniformly... (part 2) video J13: Gauss's Law and the Electric Field Due to a Non-Uniformly Charged Cylindrical Insulator. video J14: Gauss's Law and the Electric Field Due to a Non-Uniformly Charged Cylindrical Insulator (part 2) video J2: Gauss's Law (part 2). This video explains how to use Gauss's law to find the electric field due a very long uniformly charged wire.
K. Electric Potential
video K1: The electric potential energy of a system of 2 charges video K2: Potential, Potential Difference, and Voltage video K3: Potential Difference as a Path Integral video K4: Potential Difference as a Path Integral (part 2) video K5: Accelerating a Positive Charge, Q, From a Positively Charged Plate to a Negatively Charged Plate video K6: Conductors in Electrostatic Equilibrium (Revisited) video K7: Conductors in Electrostatic Equilibrium (Revisited... part 2) video K8: Review for Unit K (part 1) You might want to pause the video each time a question is asked and try to get the answer on your own.
video K10: Review for Unit K (part 3)
video K9: Review for Unit K (part 2) L. Capacitance and Dielectrics
video L1: The Basics of Capacitance video L2: The Basics of Capacitance (part 2) video L3: Energy Stored in a Capacitor video L4: Pulling the Plates of a Capacitor Apart When the Capacitor is Either Hooked Up to a Battery or Disconnected From a Battery video L5: Capacitors Hooked Up in Series video L6: Capacitors Hooked Up in Parallel video L7: Review of Unit L. Capacitance. You might want to pause the video each time a question is asked and try to get the answer on your own. video L8: Review Unit L. Capacitance (part 2). video L9: Review Unit L. Capacitance (part 3) video L10: Review Unit L. Capacitance (part 4)
M. Direct Current Circuits
video M1: Current, Drift Velocity, and Current Density video M2: Resistivity, Resistance, and Conductivity video M3: Resistance video M4: Finding the External Resistor that will Yield the Maximum Power For a Battery with Internal Resistance video M5: Bridge Circuits video M6: Review for Unit M. DC Circuits. You might want to pause the video each time a question is asked and try to get the answer on your own. video M7: Review for Unit M. DC Circuits (part 2)video M8: Review for Unit M. DC Circuits (part 3) video M9: Review for Unit M. DC Circuits (part 4)
| N. Decay and Growth in Physics (RC Circuits)*
video N1: RC circuits - Getting a Conceptual Grasp for RC Circuits video N2: Discharging a Capacitor in an RC Circuit (The Mathematics) video N3: Charging a Capacitor in an RC Circuit (The Mathematics) video N4: Time Constants for RC Circuits video N5: Review of Unit N (part 2) If you are wondering where part 1 is, this unit is both air resistance and RC circuits so part 1 in the air resistance unit in mechanics. There is a little air-resistance physics at the beginning of this one as well. You might want to pause the video each time a question is asked and try to get the answer on your own. video N6: Review of Unit N (part 2)
O. Magnetic Fields
video O1: Force on a Charged Particle in a Magnetic Field. There is a review of the right-hand rule here. video O2: Force of a Charged Particle in a Magnetic Field (part 2) video O3: Force on a Charged Particle in a Magnetic Field (part 3) video O4: Charged Particle Moving in a Straight-Line Through Both and Electric Field, E, and a Magnetic Field, B. video O5: Force on a Current-Carrying Wire in a Magnetic Field. This video also includes the torque on a current-carrying loop positioned in a magnetic field. video O6: Unit O Review (part 1). You might want to pause the video each time a question is asked and try to get the answer on your own. video O7: Unit O Review (part 2). video O8: Unit O Review (part 3). video 09: Unit O Review (part 4).
P. Sources of Magnetic Fields
video P1: The Direction of the Magentic Field Created by a Current-Carrying Wire and the Direction of the Magnetic Field Created by a Moving Charge video P2: Calculating the Magnetic Field Strength Created by a Moving Charge video P3: The Law of Biot-Savart or Calculating the Magnetic Field Strength due to an Infinitesimally Small Current-Carrying Segment of Wire. video P4: An Application of the Law of Biot-Savart video P5: An Introduction to Ampere's Law (part 1). Uses an understanding of Gauss's law to introduce Ampere's law. video P6: An Introduction to Ampere's Law (part 2). Finishes the derivation of the equation that gives you the magnetic field strength a distance r away from a current carrying wire. video P7: Applications of Ampere's Law (part 1). Applies Ampere's law to find the magnetic field strength inside of a wire that has a uniform current density. video P8: Applications of Ampere's Law (part 2). Applies Ampere's law to a co-axial cable. video P9: Applications of Ampere's Law (part 3). Applies Ampere's law to find the magnetic field strength inside a wire that has a non-uniform current density. video P10: The Magnetic Field Near the Center of a Solenoid (part 1). Applies Ampere's law to find the equation for the magnetic field strength near the center of a current-carrying solenoid. video P11: The Magnetic Field Near the Center of a Solenoid (part 2). video P12: The Magnetic Field Due to Two Wires (Superposition of Magnetic Field Vectors) video P13: Force of One Current-Carrying Wire on Another Current-Carrying Wire video P14: The Magnetic Field Due to a Toroid video P15: The Magnetic Field on the Axis of a Current-Carrying Circular Hoop video P16: p. 1 Unit P Review: Sources of Magnetic Fields. You might want to pause the video each time a question is asked and try to get the answer on your own. video P17: p. 2 Unit P Review: Sources of Magnetic Fields
Q. Electromagnetic Induction
video Q1: Magnetic Flux (part 1) To understand electromagnetic induction you will need to understand magnetic flux. This video describes the flux due to three different types of fields... gravitational fields, electric fields, and magnetic fields. video Q2: Magnetic Flux (part 2) video Q3: Calculating the Magnetic Flux for a Non-Uniform Magnetic Field video Q4: Faraday's Law Basics (part 1) video Q5: Faraday's Law Basics (part 2) video Q6: Faraday's Law Basics (part 3) video Q7: Lenz's Law: Finding the Direction of Induced Current (part1) video Q8: Lenz's Law (part 2) video Q9: Lenz's Law (part 3) video Q10: Motional EMF . This video explains how Faraday's law is applied to a conducting bar that slides along a conducting rail to complete a loop. video Q11: The Generator. This video explains how Faradays's law is applied to a conducting loop that is rotated in a magnetic field to produce a voltage and a current. video Q12: Faraday's Law and Induced Electric Fields. (part 1) video Q13: Faraday's Law and Induced Electric Fields (part 2) video Q14: Unit Q Review on Electromagnetic Induction (part 1 of 4) video Q15: Unit Q Review on Electromagnetic Induction (part 2 of 4) video Q16: Unit Q Review on Electromagnetic Induction (part 3 of 4) video Q17: Unit Q Review on Electromagnetic Induction (part 4 of 4)
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