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Q.Use this technique to find a formula for the intensity I of a sound, in terms of the sound level beta and the reference intensity I_0. There will be a quantity (10 {rm dB}) involved in your calculations. When you enter your answer, leave off the unit rm dB.

Q. A plate carries a charge of -3.7 µC, while a rod carries a charge of +1.9 µC. How many electrons must be transferred from the plate to the rod, so that both objects have the same charge?

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