A 24 volt doorbell carries a current of 1/2 ampere. Calculate the resistance in the bell

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The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute

Which atomic model was proposed as a result of j. j. thomson’s work?

Name two kinds of practical electric pumps.