Raya has two hoops that are charged and concentric, they have a radii of R and 2R respectively. They are found laying in the x and y plane. The smallest hoop has a uniform charge distribution with a density that is linear of -5.00 uC/m. At the point P which is 3R away from the center point of the hoops, the electric field is = to 0. Figure out the liner charge density on the biggest hoop. ER P 38

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.