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Suppose a radio signal has a 3 [N/C] E-field, pointing downward at time t=0. If the tip of an old-fashioned "whip" antenna is 7 mm diameter, how much charge would be spread over that antenna tip? (antenna is a good metal conductor, so the E-field inside it is zero) {start-out: should they be positive, or negative?} {follow-up: where did they come from? what charge is there, now?} -0.3253 [FC]= 3.253 x10-16 [C] -1.022 [FC] = 1.022 x10-15 [C] -4.088 [FC] +4.088 [FC] -102.2 [FC] -1.168 [PC] +1.168 [PC]

Suppose a radio signal has a 3 [N/C] E-field, pointing downward at time t=0. If the tip of an old-fashioned "whip" antenna is 7 mm diameter, how much charge would be spread over that antenna tip? (antenna is a good metal conductor, so the E-field inside it is zero) {start-out: should they be positive, or negative?} {follow-up: where did they come from? what charge is there, now?} -0.3253 [FC]= 3.253 x10-16 [C] -1.022 [FC] = 1.022 x10-15 [C] -4.088 [FC] +4.088 [FC] -102.2 [FC] -1.168 [PC] +1.168 [PC]

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Suppose a radio signal has a 3 [N/C] E-field, pointing downward at time t=0. If the tip of an old-fashioned "whip" antenna is 7 mm diameter, how much charge would be spread over that antenna tip? (antenna is a good metal conductor, so the E-field inside it is zero) {start-out: should they be positive, or negative?} {follow-up: where did they come from? what charge is there, now?} -0.3253 [FC]= 3.253 x10-16 [C] -1.022 [FC] = 1.022 x10-15 [C] -4.088 [FC] +4.088 [FC] -102.2 [FC] -1.168 [PC] +1.168 [PC]
Transcribed Image Text:Suppose a radio signal has a 3 [N/C] E-field, pointing downward at time t=0. If the tip of an old-fashioned "whip" antenna is 7 mm diameter, how much charge would be spread over that antenna tip? (antenna is a good metal conductor, so the E-field inside it is zero) {start-out: should they be positive, or negative?} {follow-up: where did they come from? what charge is there, now?} -0.3253 [FC]= 3.253 x10-16 [C] -1.022 [FC] = 1.022 x10-15 [C] -4.088 [FC] +4.088 [FC] -102.2 [FC] -1.168 [PC] +1.168 [PC]
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