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.] Explains what electric current and voltage are and why electric current occurs.

[Free Registration/Login may be required to access all resource tools.] Students are introduced to the ammeter, which measures electrical current, and to the voltmeter, which measures voltage.

Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.

Determine the voltage of the battery based on the colors of the resistor and the current in the circuit.

Determine the voltage of the battery based on the colors of the resistors and the current in the parallel circuit.

At this site from Georgia State University Ohm's law is stated in words and using equations. A JavaScript form allows for multiple practice problems with instant feedback and reinforcement. Kirchoff's current law is stated and...

Determine the voltage of the battery based on the colors of the resistors and the current in the series circuit.

Build an intuitive understanding of current and voltage, and power.

This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 3 of 4 in the series titled "Electric Circuits."

Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.

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 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.

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.

In this unit students discover the meaning and some applications of electric potential, commonly known as voltage, and how it powers some simple circuits.

This unit provides students the opportunity to explore methods engineers have devised for harnessing sunlight to generate power. Students will initially explore heat transfer and heat storage through the construction, testing, and...

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...

Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution...

Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting...

Students are briefly introduced to Maxwell's equations and their significance to phenomena associated with electricity and magnetism. Basic concepts such as current, electricity and field lines are covered and reinforced. Through...

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."

[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...

[Free Registration/Login Required] Learn about the relationship between electric potential, current, and resistance in the context of high-voltage AC power lines using this interactive simulation. A PDF worksheet and a video tutorial are...