14) A vary long wire carries a uniform linear charge density. You measure the potential difference between a point 0.025 m from the wire and 0.01 m from the wire to be 575 V. What is the linear charge density on the wire? 15) Two large, parallel, conducting plates carry opposite charges of equal magnitude, are separated by 45 mm, and have a potential difference between them of 360 V. (a) What is the magnitude of the electric field between the plates? (b) What is the magnitude of the force the electric field exerts on a particle with charge 2.4 nC if it is placed between the plates?

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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.