This activity addresses the Energy Awareness Principle by having students calculate electricity use by state, and also determine how much land would be required to replace all sources of electricity with solar panels considering costs...

Use resistance formulas to determine the total resistances of the series and parallel parts. Then, use Ohm's Law to calculate the voltage drops across and currents through each part.

Use the series and parallel resistance formulas to determine the total resistances of the parts. Then, use Ohm's Law to calculate the voltage drops across each part.

Use Ohm's Law to calculate the current in parallel circuits.

Practice calculating potential difference, resistance, and current for a component from a circuit diagram.

In this unit students take a deeper look into charges beyond the simplified 'opposites attract." Students learn to calculate those attractive and repulsive forces and to show how invisible fields are responsible for them.

Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power...

[Free Registration/Login may be required to access all resource tools.] Students will discover how an electrical potential is generated in an electrochemical cell, and then they will calculate the standard cell potentials from a table of...

Students examine how the power output of a photovoltaic (PV) solar panel is affected by temperature changes. Using a 100-watt lamp and a small PV panel connected to a digital multimeter, teams vary the temperature of the panel and record...

This lab demonstrates Ohm's law as students set up simple circuits each composed of a battery, lamp and resistor. Students calculate the current flowing through the circuits they create by solving linear equations. After solving for the...

Learn how electric charges work and about Coulomb's Law, which is used to calculate the strength of an electric force.

This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."

This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."

A series of useful calculators for converting different sources of energy from one energy unit to another. Find conversion calculators for coal, electricity, natural gas, crude oil, gasoline, and diesel fuel, along with an additional...

Explains the concept of electric potential difference and how it is calculated.

This calculator is a great way to estimate the carbon dioxide emissions resulting from your daily activities, such as household electricity use, food choices, and transportation.

In the everyday electrical devices we use - calculators, remote controls and cell phones - a voltage source such as a battery is required to close the circuit and operate the device. In this hands-on activity, students use a battery,...

Find out how the current in a circuit can be impeded by three types of circuit components.

Practice finding the equivalent resistance for parallel and series resistor configurations in this four-problem quiz.

See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.

An online JavaScript application which allows visitors to investigate the relative amount of heat being lost from their homes due to insufficient insulation. The current R-value and a hypothetical R-value can be entered and the energy...

This lesson discusses the result of a charge being subject to both electric and magnetic fields at the same time. It covers the Hall effect, velocity selector, and the charge to mass ratio. Given several sample problems, students learn...

Explains what a combination circuit is and how to calculate the resistance and amperage values in this type of circuit.

Students learn how engineers design devices that use water to generate electricity by building model water turbines and measuring the resulting current produced in a motor. Students work through the engineering design process to build...