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Island Physics

DC circuits

Hamilton on a calm night.  The importance of electricity to our everyday lives is obvious.  A hundred years ago this would have been in darkness.
Home >> AP Physics I >> DC Circuits >> Internal Resistance
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9.4 - Internal Resistance and emf

  • To know that real cells (batteries) have internal resistance and that this can be modelled by adding a resistor in series.
  • To understand that the effect of this that the voltage of the cell drops as the current increases.
  • To be able to determine the internal resistance of a cell experimentally.
  • To understand the difference between "terminal" voltage and emf
Picture
Physics Aviary Problem

10.5 - Coulomb's Law

  • To know that there exists a force between two charges and that force can be either attractive or repulsive.
  • To know and be able to use the inverse-square law of electrostatics (Coloumb's Law)
  • To appreciate the similarities and differences between Coulomb's Law and Gravitation.
  • To be able to solve problems involving two charged particles.
Coulomb's Law
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Physics Aviary - Coulomb's Law LAB - advanced.

Links

Picture
PhET Simulation: DC Circuits
CK-12: Internal Resistance
CK-12: Combined Circuits
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PhET Simulation: Resistance of a Wire
  • HOME
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    • Solids, Liquids and Gases
    • Waves
    • Astrophysics
    • Electricity
    • Magnetism
    • Nuclear Physics
    • IGCSE revision
  • Physics I
    • Kinematics >
      • Variables and Units
      • Describing Motion
      • Equations of Motion
      • Problem Solving
      • Projectiles
      • Kinematics Animations
    • Dynamics >
      • Forces
      • Static Equilibrium
      • Newton's Laws
      • Friction
      • Advanced Problems
    • Gravitation and Orbits >
      • Circular Motion
      • Vertical Circles
      • Universal Gravitation
      • Orbits
      • Circular Motion Animation
    • Energy >
      • Work
      • Springs
      • PE and KE
      • Conservation of Energy
      • Work-Energy Theorem
    • Linear Momentum >
      • Impulse
      • Conservation of Momentum
      • Types of Collision
      • 2-D Collisions
    • Simple Harmonic Motion >
      • Mass on Spring
      • Pendulums
      • SHM Animations
    • Rotational Mechanics >
      • Torque
      • Rotational Kinematics
      • Rotational Dynamics
      • Angular Momentum
      • Rotational Energy
    • Mechanical Waves >
      • Waves on a String
      • Sound
    • AP-1 Revision
    • AP Physics C (Mechanics)
  • Physics II
    • Fluid Mechanics
    • Thermal Physics
    • DC Circuits >
      • Voltage and Current
      • Resistance
      • Series and Parallel
      • Internal Resistance
    • Electrostatics
    • Magnetic Fields >
      • EM Induction
    • Interference and Diffraction
    • Optics
    • Modern Physics
    • AP 2 Revision
  • OCEANOGRAPHY
    • The World Ocean >
      • What is Oceanography
      • History
      • Lat and Long
      • Size and Origin
      • Plate Tectonics
    • Seawater >
      • A Salty Sea
      • Measuring Salinity
      • Thermal Properties
      • Density Profiles
      • Drinking Seawater
    • Circulation and Climate >
      • Global Heating
      • Coriolis Effect
      • Surface Currents
      • Vertical Motion
      • Thermohaline Circulation
      • El Nino
      • Carbon Cycle
    • Waves and Tides >
      • Wave Motion
      • Formation of Waves
      • Beaches
      • Tsunamis
      • Tides
    • Observation Systems >
      • Challenges
      • The CTD
      • Moorings
      • Sound Waves
      • Robotics
      • Satellites
    • Weather and Navigation >
      • Weather Systems
      • Weather Forecasting
      • Hurricanes
      • Navigation
      • Life at Sea
    • Oceans and Mankind >
      • Ocean Acidification
      • Pollution
      • Fish Stocks
      • Climate Change
      • Energy Resources
    • Atlantic Explorer Cruise
    • ROVs
  • COLLEGE
    • College Physics I
    • College Physics II
  • CONTACT