What amount of charge reaches the anode

Reference no: EM138805

Q1. A small metal bead, labelled A, has a charge of 29 nC. It is touched to metal bead B, initially neutral, so that the two beads share the 29 nC charge, but not of necessity evenly. When the two beads are then placed 5.0 {rm cm} apart, the force between them is 5.3×10-4 N. Assume that A has a greater charge.

Q2. In a Crooke's Tube, a stream of electrons boils off a negative electrode, or cathode, and flies through a vacuum toward a positive electrode, or anode. Often, the anode is given a distinctive shape, like a cross, so that the electrons that miss it and fly past will create a dramatic shadow on the far end of the glass tube. The stream of electrons is flowing past a certain point between the cathode and the anode at a rate of 3.50 A. If 95.0 percent of the electrons reach the anode, (a) what amount of charge reaches the anode during a period of 15.0 s? Be careful of the sign of the answer. (b) How many electrons reach anode during a period of 15.0 s?

Reference no: EM138805

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