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Q1 why gases conduct electricity in low pressure?
Q2 in a cathode ray tube, what kind of effect do high voltage of current have on cathode that it releases particles referred as cathode ray particles?

Asked by disa.mahata 16th May 2017, 7:36 PM
Answered by Expert
Answer:
Dear disa.mahata@gmail.com

Thanks for asking us a question in Ask the Expert section of TopperLearning.com.

We cannot entertain more than 2 questions in a single query per day. In case of multiple questions within a query, please post each question individually and let us know where you are getting stuck so that we would be able to explain things better.
 
Answer to your first query is posted below:
 
Gases begin to conduct electricity at low pressure because colloiding electrons can acquire higher K.E due to increases mean free path leading to ionisation of atoms.
 
Regards

Topperlearning Team.
Answered by Expert 17th May 2017, 10:49 AM
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