1. Find the magnitude of  the second charge if the force acting between them is 32 N separated at 0.5 m. The magnitude of the first charge is 80 µC. 2. What is the magnitude of electrical force of attraction between an iron nucleus (26 protons) and its innermost electron if the distance between them is 1.0x10^-12 N

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A: Convective heat transfer takes place in fluids due to density difference .

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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.