Electricity and Magnetism > AC Circuits

DCS# 5F15.15

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POWER USAGE

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APPARATUS

power analyzer	202-11-C
light meter	202-21-B
incandescent light bulb	202-11-C
compact fluorescent bulb	202-11-C
LED light bulb	202-11-C
halogen light bulb	202-11-C
pair of four-foot fluorescent bulbs	202-11-C
computer with both CRT and LCD monitors	202

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DESCRIPTION

Use the power analyzer to display the power used by various devices:  a standard light bulb, a pair of 4-foot fluorescents, and a compact fluorescent bulb.  Compare the power used by an idling computer with the monitor on and off.

 

NOTES

The power analyzer also displays current, voltage, power factor, phase angle, frequency, and kWh.

 A computer can be used to control the power analyzer and log data.