A central air-conditioner uses 3500W of electricity. If electricity costs $0.087/ kW*h. Calculate how much it would cost to operate the air-conditioner 24 hours a day for 4 months (120 days).
$876.96
Draw a parallel circuit that is powered by a 6V battery hooked up to two lamps and a open switch that controls the entire circuit. Connect an ammeter to the first lamp and a voltmeter to the second lamp.
See teacher for answer.
List and describe the four factors that affect resistance.
Type of material, cross-sectional area, length, temperature
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