Exploriments : Electricity - Ohm's Law and Resistance of Devices in Electrical Circuits

Learn more about Ohm’s Law using only your fingertips. Explore a variety of virtual circuits, complete with ammeters, voltmeters and an array of electrical devices. Calculate the resistance of devices in series, parallel and combination circuits and gain insights into the relationship of resistance with current and voltage, as defined by Ohm’s Law.

The Exploriment apps on Electricity lets you play with virtual electrical circuits without fear of shocks, shorts or fires. It puts the spark into learning Electricity, and makes it a fun experience. Changing circuits, switching batteries, hooking up ammeters and voltmeters is as easy as tap, touch and move!

Besides this app on Ohm’s Law, do check out our other Electricity apps:
-- Exploriments: Electricity - Simple Electrical Circuits in Series, Parallel and Combination
-- Exploriments: Electricity - Current and Charge, Measurement of Current in Series and Parallel Electrical Circuits
-- Exploriments: Electricity - Voltage Measurement in Series and Parallel Electrical Circuits


The Exploriments Series of interactive simulation-based tools makes conceptual learning in science an engaging and insightful experience. Visit www.exploriments.com to know more.


Activities:

Ohm's Law and Resistance of an Electrical Device
--- Interactively connect an ammeter and a voltmeter to a series circuit with a toy windmill
--- Vary the voltage, take measurements of current and calculate resistance
--- Use the included graph to understand Ohm’s law in a visual and intuitive way

Measuring Resistance of Devices in Series
--- Learn to take multiple voltage measurements for several devices in series as precursor to resistance
--- Gain insights about current in a series circuit
--- Explore the concept of using voltage drop in series to calculate resistance of devices, and of the conservation of total voltage

Measuring Resistance of Devices in Series-Parallel Combination
--- Expand your knowledge of series circuits by connecting voltmeters and ammeters in parallel circuits for taking measurements
--- Calculate resistance of individual devices in the main branch as well as in the parallel branches

Verification of Ohm's Law
--- Practice your understanding of Ohm’s law by exploring a circuit with variable voltage as well as variable resistance
--- In addition to verifying Ohm’s law, gain insights into the behavior of current in a fixed voltage and variable resistance scenario


Additional Features:

--- Highly interactive simulations
--- A Reset button to reload the activity with diverse values to learn better through practice.
--- Intuitive visual experience supported by numerical and graphical output