During fair weather, the electric field E due tothe net charge accumulated on th

Question

During fair weather, the electric field E due tothe net charge accumulated on the earth points downward.(assume a constant garvitaional feild)
a) is that region of the earth charged positively ornegatively? Explain make a small sketch or a diagram justifyingyour reasoning . b) Determine the Electric field strenght E needed to support (suspend ) a small -15.3C particle of mass54.7 During fair weather, the electric field E due tothe net charge accumulated on the earth points downward.(assume a constant garvitaional feild)
a) is that region of the earth charged positively ornegatively? Explain make a small sketch or a diagram justifyingyour reasoning . b) Determine the Electric field strenght E needed to support (suspend ) a small -15.3C particle of mass54.7

Explanation / Answer

(a ) electric field points downward So, the region of theearth is negatice .Since electric field points positive tonegative. (b). Charge q = -15.3 * 10 ^ -6 C mass m = 54.7 g = 54.7 * 10 ^ -3 kg Required field E = mg / q                          = 35.0366 * 10 ^ 3 N / C

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