Answered: 7. A Geiger counter consists of a 50 mm…

7. A Geiger counter consists of a 50 mm diameter grounded tube with a wire of 25 m diameter at +700 V in the centre. What is the electric field at the tube wall? (Ans. 3.72 MV/cm]

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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Concept explainers

Antenna Characteristics

The antenna is an important concept in the domain of electronics and communication engineering. An antenna forms an integral part of many commonly used devices such as wireless modems, routers, game controllers, mobile phones, bluetooth devices, and so on. In simple terms, any wireless communication makes use of antennas to serve the purpose. An antenna, also known by the term 'arial', is an electrical device that converts electrical signals into electromagnetic waves or electromagnetic waves into electrical signals. An antenna contains a transmission line usually made up of co-axial cable, it then receives the signals and converts them into electromagnetic waves, which are then transmitted via space into their required destination. A communication system essentially makes use of two antennas, a transmission antenna, which converts electrical signals into electromagnetic waves, and a receiving antenna, which receives the electromagnetic waves and converts them back into electrical signals.

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wire?
[Ans. 74 kVlcm
7. A Geiger counter consists of a 50 mm diameter grounded tube with a
wire
of 25 m diameter at +700 V in the centre. What is the electric field at the
tube wall?
[Ans. 3.72 MV/cm]

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