Sketch the four possible electric field configurations

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Reference no: EM138087

Q1. An important news announcement is trans- mitted by radio waves to people who are 122 km away, sitting next to their radios, and by sound waves to people sitting across the newsroom, 1.2 m from the newscaster. Take the speed of sound in air to be 345 m/s.

What is the difference in time that the message is received?

Response in units of ms

Q2. Two charges placed the magnitude fql is 3.00uc, but its sign and the of the charge q2 are not known. The direct of the net electric field E at point P is totally in the negative y-direction. (a) Considering the different possible signs of q1 and q2 there are four possible diagrams that could represent the electric field E1 and E2 produced by q1 and q2. Sketch the four possible electric field configurations. (b) Using the sketches from part (a) and the direction E, deduce the signs if q1 and q2. (c) Find out the magnitude of E.

Reference no: EM138087

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