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Is a filament lamp an ohmic resistor? During this coursework I am investigating to find out whether a filament lamp is an ohmic resistor, an ohmic resistor is a resistor that follows ohm's law. I want to get the results as accurate as possible so I shall us a digital ammeter and voltmeter and record my results to 2 decimal places. Before I started the investigation I had to find some research. I researched 3 books to find out mainly about resistance, ohm's law and ohmic resistors. The first book was: - Extension Physics by Brian Milner "To make a bulb light up, you must out a potential difference (voltage) across it. A current can then flow through the filament of the bulb. The filament resists a current flowing though it, so we say it has a resistance". "We measure resistance in units called ohms. To measure a resistance you nee to know how big a...

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