Electric circuits – WJEC Measuring current and voltage Engineers connect components in electrical circuits in series or parallel to make a range of useful circuits. We can calculate the voltage ...

National 5; Practical electrical and electronic circuits Calculating the value of the series resistor. Measurement and analysis of current and voltage in simple circuits allows us to formulate ...

For the circuit shown, a maximum current of 20 mA is feasible for a maximum load of 1100 Ohms. Using higher-voltage op amps and larger power transistors can increase these values if cost isn't a ...

Download this article in PDF format. Part 1 of this series focuses on high-performance electronic loads for testing power supplies that have low output voltage and high current.