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Beginner's Guide to Measurement in Electronic and Electrical Engineering [Pdf]
The National Physical Laboratory, which is the UK's National Measurement Institute, offers a Beginner's Guide to Measurements in Electronics and Electrical Engineering. Discusses how electric currents are measured and offers images.
Other
Need: Measuring Electricity [Pdf]
This site details many of the ways in which to measure electricity. Among the topics covered by this page is resistance and voltage as well as electrical energy and Ohm's Law.
National High Magnetic Field Laboratory
Magnet Academy: Wheatstone Bridge
This circuit is most commonly used to determine the value of an unknown resistance to an electrical current.
National High Magnetic Field Laboratory
Magnet Academy: Wheatstone Bridge 1843
Read about the device used for measuring resistance in a circuit which was discovered in 1843, but had been invented a decade earlier. The inventor's name was not Wheatstone.
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...
Concord Consortium
Concord Consortium: Measuring Current in Series Parallel Circuits
Measure current through resistances in series-parallel circuits requires current-measuring skills used in both series and parallel circuits.
Concord Consortium
Concord Consortium: Measuring Voltage in Series Parallel Circuits
Measuring voltage drops across resistances in series-parallel circuits requires an understanding of both series and parallel circuit behavior. Learn more with this tutorial.
Concord Consortium
Concord Consortium: Measuring Voltage in Series Circuits
Measuring the voltage in a circuit is like measuring the drop in pressure across two points. Learn more with this tutorial.
Concord Consortium
Concord Consortium: Measuring Current on a Breadboard
Find out how measuring current in a circuit is like measuring the flow rate of water in a sprinkler system.
Concord Consortium
Concord Consortium: Measuring Voltage on a Breadboard
Find out how measuring voltage in a circuit is like measuring the pressure in a water pipe.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Series
Use the tutorial to find the total resistance for resistors in a series circuit.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Circuits
See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.
Concord Consortium
Concord Consortium: Total Resistance in Series Parallel Circuits
Use the formula for the parallel resistors to calculate the total resistance in series-parallel circuits.
Concord Consortium
Concord Consortium: Measuring Current in Parallel Circuits
When measuring the current in parallel circuits, compare the circuit's total current with the current through just one resistor.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Resistances in Series and Parallel Circuits
A teacher lesson plan is provided here. This page describes two activities in which the effect of multiple resistors on the current and overall resistance of both series and parallel circuits are investigated. Complete activity...