An element has two common isotopes 9889 of its atoms have
An element has two common isotopes. 98.89% of its atoms have an atomic mass of 12.09 amu, whereas the other 1.11% have an atomic mass of 13.10 amu. Using the isotopic composition provided, calculate the average atomic mass of the element.
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The current in a coil drops from 3.9 A to 2.7 A in 0.52 s. If the average emf induced in the coil is 12 mV, what is the self-inductance of the coil
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