Solve Electricity Numericals with Expert Help: Hydrogen Discharge Example

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Homework Help Overview

The discussion revolves around a problem in electricity, specifically focusing on the behavior of ions and electrons in a hydrogen discharge when a high voltage is applied. The original poster seeks assistance in calculating the current based on the movement of charged particles.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the calculation of current using the charge of electrons and the concept of conventional current flow. There is an inquiry about the direction of the current based on the movement of electrons and protons.

Discussion Status

Some participants have offered guidance on starting points for the calculations and have suggested looking up relevant concepts. The discussion appears to be ongoing with various interpretations being explored.

Contextual Notes

There is a mention of posting in a specific homework help section, indicating potential constraints related to forum rules or guidelines for homework assistance.

saltrock
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electricity numericals! help needed!

When a sufficiently high voltage is applied between two electrodes in a gas, the gas ionises. Electrons move towards the positive electrodes,and positive ions move towards the negative electrode.

a) what is the current in a hydrogen discharge if, in each second, 4.4 x 10^15 electrons and 1.5x 10^15 protons move in opposite directions past a cross-section of the tube?
b)what is the direction of the current? :confused:
 
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This sounds like a homework problem.

Tell us what your thoughts are on the problem.
 
a) Start with Q=I x t
You should know the charge on an electron.

b) Look up 'Conventional Current flow'.

c) Post HWK in the HWK help section.
 
thanx for your help.
 
No problem.

:-)
 

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