Ohm's Law

Project 1: Resistors

Use the Analog Discovery™ and a digital multimeter to explore a fundamental equation used in electric circuit analysis and design: Ohm's Law.

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Ohm's law and Voltage-Current Characteristics

Project 2: Resistors

Apply a time-varying voltage to a resistor using the Analog Discovery™ waveform generator. We will use the Analog Discovery oscilloscope to measure the resulting current, and plot the voltage as a function of current. The resulting plot will show the resistor's voltage-current characteristic, or I-V curve.

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Series Resistances

Project 3: Resistors

When resistors are connected in series, the combination has an equivalent resistance that is the sum of the resistances of the individual resistors. This property can be useful in creating desired resistance values from a limited selection of fixed resistors. The user will create a 9 kΩ resistor from the resistors available in the Digilent's® Analog Parts Kit.

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Voltage Dividers

Project 4: Resistors

If the total voltage difference across a set of series resistors is known, the voltage differences across any individual resistor can be determined by the concept of voltage division.

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Parallel Resistances

Project 5: Resistors

When resistors are connected in parallel, the combination has an equivalent conductance that is the sum of the conductance of the individual resistors. The user will create a 5 kΩ resistor from the resistors available in Digilent's® Analog Parts Kit.

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Current Dividers

Project 6: Resistors

Illustrates the overall process of current division between resistors.

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