Q20. The magnitude of electric field experienced by a charge at a certain distance from a source charge is equal to 64 N/C. Determine the magnitude of the electric field at four times of that distance and with a source charge half as strong. 5 N/C 1 N/C 6 N/C 4 N/C 3 N/C O 2 N/C

Q20. The magnitude of electric field experienced by a charge at a certain distance from a source charge is equal to 64 N/C. Determine the magnitude of the electric field at four times of that distance and with a source charge half as strong. 5 N/C 1 N/C 6 N/C 4 N/C 3 N/C O 2 N/C

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter11: Conduction In Liquids And Gases

Section: Chapter Questions

Problem 13RQ: 13. Name two factors that determine the speed an electron attains inside a gas environment.

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Photoconductive Cell

Photoconductive cells are light-sensitive resistors in which resistance is inversely proportionated to light intensity when illuminated. These devices consist of a thin single-crystal or polycrystalline film of composite semiconductor materials. Cadmium sulfide (CdS) is used to make the most commercially available photoconductive particles which are sensitive to light in the visible spectrum. Other less commonly used substances respond to infrared light, but not to the visible spectrum. Such substances are lead sulfide (PbS), lead selenide (PbSe), and lead telluride (PbTe), and so on.

Question

Q20. The magnitude of electric field experienced by a charge at a certain
distance from a source charge is equal to 64 N/C. Determine the
magnitude of the electric field at four times of that distance and with a
source charge half as strong. *
5 N/C
1 N/C
6 N/C
4 N/C
3 N/C
2 N/C

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