What would be the electric field for z0 << R and z0 >> R for the following integral? The integral is the answer to the following question: "A uniformly charged disk with charge Q and radius R sits in the xy-plane with its center at the origin. Take z0 to be some point on the positive z-axis. What is the electric field at z0? Leave your answer in the form of a well-defined definite integral."

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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.