Quantitative comparison of DC power and AC power in an incandescent lamp

VP3.6.6.3
Quantitative comparison of DC power and AC power in an incandescent lamp
Quantitative comparison of DC power and AC power in an incandescent lamp

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Description

In the experiment P3.6.6.3, two identical incandescent light bulbs are operated with the same electrical power. One bulb is operated with DC voltage, the other with AC voltage. The equality of the power values is determined directly using the joule and wattmeter, and additionally by comparing the lamp brightness levels. This equality is reached when the DC voltage equals the RMS value of the AC voltage.

Components of equipment sets

1 531831  8  Joule and wattmeter LD
1 50514  4  Bulbs, 6 V/3 W, E10, set of 10 LD
2 57906  4  Lamp holder, E10, top, STE 2/19 LD
1 57681  4  Plug-in board safety socket, 20/10 LD
1 521487  8  AC/DC power supply PRO 0...12 V/3 A LD
1 500621  4  Safety connecting lead 50 cm, red LD
1 500622  4  Safety connecting lead 50 cm, blue LD
2 500641  8  Safety connecting lead, 100 cm, red LD
2 500642  4  Safety connecting lead, 100 cm, blue LD
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