6 and 11 please (k = 9.0 x 10^9 N middot m^2/C^2) A physicist\'s notebook is ful

Question

6 and 11 please

(k = 9.0 x 10^9 N middot m^2/C^2) A physicist's notebook is full of experimental observations. An astute student says that there is a problem with the following entry: "Electrical Potential in Trial 1 = 1.2 J" What is wrong with this entry? A negative particle is placed near a stationary charge. If the electrical potential that the particle experiences is negative, is the stationary charge positive or negative? A particle is placed near a stationary positive charge. If the particle's potential energy is positive, is the particle positive or negative? A negative charge moves towards a stationary positive charge. As the two charges get closer together, does the potential energy increase or decrease? What is the definition of a capacitor? If a negative particle moves from the positive plate of a capacitor to the negative plate, does it experience an increase or decrease in electrical potential? Problems 7 and 8 refer to the diagram below: Draw the path of the electron beam, assuming that the charge stored in the capacitor is large. Draw the path of the electron beam, assuming that the charge stored in the capacitor is small. A television repair person notices that when a television is turned on, a single, bright, vertical line appears at the center of the screen. The line goes from the very top of the screen to the very bottom, while the rest of the screen stays black. The repairman immediately decides that one of the controlling capacitors inside the cathode ray tube has ceased to function. Which capacitor does the repair person suspect and why?

Explanation / Answer

6. electric potential of negative particle will increase because it moves closer to neagive plate and as we know potential energy of two negative charges is positive.

problem 11 is not there in pic. it has only upto Q.no.9

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