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Thermistor Current
This activity teaches that a thermistor is an electronic component in which the resistance decreases as temperature incr… full details...

Power, Current and Voltage
This activity leads students to establish the relationship between power, current and voltage, P = IV. They should be a… full details...

LDR Current
This activity introduces light dependent resistors, LDRs, and shows that as the light falling upon an LDR increases, its… full details...

Parallel Circuit Current
In this activity pupils measure the current at various points in a parallel circuit to see that the sum of the current i… full details...

Current in Series and Parallel Circuits
This activity introduces current as a flow of electrons in a circuit. Students take ammeter readings around simple circ… full details...

Changing Current
This activity introduces resistors, describing their effect in reducing current in a circuit, and explains the use of rh… full details...

Capacitor Charging with Constant Current
The user is asked to maintain a constant current while a capacitor is charging, by reducing the resistance of a variable… full details...

Ohm's Law II
This activity is an introduction to Ohm's law. Students alter a variable voltage supply and a variable resistor, and me… full details...

Current in Diodes
This activity introduces students to diodes, and looks at several circuits to see that diodes allow current to flow in o… full details...

The Transistor as a Current Amplifier  Extension Material
The aim of this activity is to further students' understanding of a transistor as a current amplifier. From looking at … full details...