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Spark Fun: Voltage, Current, Resistance, and Ohm's Law
Whether you are looking for an introduction to resistors, volt, and current, or just looking for a reference, this article provides great information for all ability levels. Great videos, diagrams, images, and links to more information...
Physics4kids
Physics4 Kids: Electricity and Magnetism: Resistance
Explains electrical resistance and how it is measured using the formula for Ohm's Law.
Soft Schools
Soft Schools: Physics Quizzes: Newton's Three Laws
Assess your understanding of Newton's three laws of motion and the ability to distinguish between the three with this interactive multiple choice quiz. Receive immediate feedback to your answers.
Oswego City School District
Regents Exam Prep Center: Electricity: The Mouse Cheese Analogy
This page uses a mouse and cheese analogy to show the relationships involved in electricity through currents and charges. Among the topics covered by the analogy are voltage, resistance and electromagnetism.
Physics Aviary
Physics Aviary: Practice Problems: Internal Resistance of a Battery From Voltage
Determine the internal resistance of a battery based on the electrochemical potential and the voltage that is measured at the terminals of the battery when it is being used.
Physics Aviary
Physics Aviary: Practice Problems: Finding Battery Voltage Very Hard
Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.
Physics Aviary
Physics Aviary: Practice Problems: Series Circuit
Determine the amount of power dissipated in a resistor that is part of a series circuit.
Physics Aviary
Physics Aviary: Practice Problems: Parallel in a Series Circuit
Determine the amount of power dissipated in a resistor in a complex circuit.
Physics Aviary
Physics Aviary: Practice Problems: Internal Resistance of Battery Problem
Determine the internal resistance of a battery based on the graph of terminal voltage vs. current. Also find the maximum current and the electrochemical potential.
Physics Aviary
Physics Aviary: Practice Problems: Finding Internal Resistance of a Battery
Determine the internal resistance of a battery based on the electrochemical potential and the current that comes out of the battery when it is hooked to a resistor.
Physics Aviary
Physics Aviary: Practice Problems: Internal Resistance Parallel Circuit Battery
Determine the internal resistance of a battery based on the electrochemical potential and the current that comes out of the battery when it is hooked to a series of resistors connected in parallel.
Physics Aviary
Physics Aviary: Practice Problems: Resistance of Wire Problem
Determine the resistance of a wire based on its composition and its physical dimensions. Then give the area of the wire in square meters and the resistance of the wire in Ohms.
Physics Aviary
Physics Aviary: Practice Problems: Current in a Wire Problem
Determine the resistance of a wire based on its composition and its physical dimensions. Find the current that would flow through the wire when the wire is connected to a certain voltage.
Science Struck
Science Struck: Lcr Meter Working Principle and Uses
Explains what an LCR meter is and how it is used to measure the inductance, capacitance, and resistance of a circuit. Lists the different parameters of a circuit that it measures, describes two types of LCR meters, and gives definitions...
Physics Aviary
Physics Aviary: Resistor Challenge
This game will help students learn their color codes for resistors. Students will be given a resistor and they have to determine the resistance of the resistor. Students will have three minutes to get as many correct as possible.
Physics Aviary
Physics Aviary: Resistor Creation Challenge
This game will help students learn their color codes for resistors. Students will be given a resistance and they have to determine which combination of colors will match that resistance. Students will have three minutes to get as many...
Physics Aviary
Physics Aviary: Ohm's Law
This lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. This version of the lab requires students to read analog meters to get the voltage...
Physics Aviary
Physics Aviary: Simple Circuit Lab
This lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. The batteries in this simulation can be varied from ideal batteries to batteries...
Physics Aviary
Physics Aviary: Parallel Circuit Lab
This lab is designed to have students investigate the relationships between voltage, resistance and current in a parallel circuit with up to three passive components. The batteries in this simulation can be varied from ideal batteries to...
Physics Aviary
Physics Aviary: Internal Resistance of Battery
This lab is designed to have students look at the change in the terminal voltage of a battery that occurs as you draw more current from the battery.
Physics Aviary
Physics Aviary: Power of a Light Bulb
This lab is will allow students to vary the resistance of a light bulb and the voltage difference across a light bulb. They will be able to see how these two factors affect the current through the light bulb and the power used by the...
Physics Aviary
Physics Aviary: Resistance of a Wire
This lab is designed to have students investigate the factors that affect the resistance of a wire. Students will be able to adjust the length of the wire, the diameter of the wire and the material from which the wire is constructed....
Physics Aviary
Physics Aviary: Resistance of a Wire Challenge Lab
This lab is designed to have students work through a procedure that will allow them to determine the resistivity of a wire based on the amount of current going through different lengths of wire.
Physics Aviary
Physics Aviary: Capacitor Charging Through a Resistor in Dc Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor charges. Students can change the resistance and capacitance in the circuit and monitor the current, voltage and charge on the...