How could an electroscope be negatively charged by induction? How could you prov
ID: 1650446 • Letter: H
Question
How could an electroscope be negatively charged by induction? How could you prove it negatively charged? Electric Potential Energy and Electric Potential of Point Charges D, E and F are charges of 6.00 times 10^-6, 3.00 times 10^-6, and 5.00 times 10^-6 C respectively. (a) Where does D end up if it is released? (b) How fast does it go there if its mass is 1.45 times 10^-6 kg? K, Land M are charges of-5.00 times 10^-6, 5.00 times 10^-6, and -5.00 times 10^-6 C respectively. Find the electric potential at the center of the triangle. An electron moves at a speed of 60.0 m/s directly toward a stationary electron when the two electrons are 1.00 m apart. How close to the stationary electron is the moving electron when it turns around? Explain in physical terms why the potential energy of two like charges is positive and that of two unlike charges is negative.Explanation / Answer
3)
In the induction process of charging negatively, a positively charged object is brought near to but not touching the electroscope. The presence of the charged object above the plate of the electroscope, induces electrons within the electroscope to move towards the end nearer to the object (sice opposite charges attract), while positive charge accumulates at the farther end. With the charged object still held above the plate, the electroscope is touched. At this point electrons are held firmly due to the attraction from the object but the positive charge will flow between the electroscope and the ground, giving the electroscope an overall negative charge. When the charged object is pulled away, the electrons spreads entirely.
Bringing a negatively charged object near the electroscope will result in repulsion which proves that it has got negatively charged, since repulsion is the surer test.
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