umen/Watt, what will be the
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If the lamp used is a LED lamp with an efficacy of 80 Lumen/Watt, what will be the power of the lamp?
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- You put two 100-Ohm resistors in series, each with an uncertainty you measured to be 1 Ohm. What is the uncertainty on the combined resistance of the two resistors in series? (this answer for this question uses the rules for a mix of systematic and random uncertainties)3. For a thin film sample under a square 4-point probe measurement, if the sheet resistance Rs 10.0 2/ and the resistivity of the Al film material is 2.8x10-10 cm, what is the thickness of the film?If all the energy in a 9-V transistor radio battery rated at 0.347 A-h is used to lift a 10-kg object, how high in feet will he be lifted?