Two small metal balls are initially held 5 cm apart. One of the balls has a charge of +5 nC, and the other has a charge

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Two Small Metal Balls Are Initially Held 5 Cm Apart One Of The Balls Has A Charge Of 5 Nc And The Other Has A Charge 1 (1.17 MiB) Viewed 9 times

Two small metal balls are initially held 5 cm apart. One of the balls has a charge of +5 nC, and the other has a charge of -15 nC. a) Tallava ITBAT CLOUD. (c) The balls are touched together, and then separated to a distance of 10 cm. () Sketch the new position of the balls after separation and the direction of the force on each ball due to the presence of the other ball. Calculate the magnitude of the force between them now. [3] (ii) Sketch the electric field for the two balls after they have been touched together and separated. Explain in one or two sentences your sketch for the field between the balls. What is the electric field strength at the mid-point between them? [5] (d) One of the balls is moved from its position of 10 cm away from the other ball to infinity. Calculate the work required, and indicate whether it is positive or negative.