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 Yearling
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  • 0 posts edited
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  • 11 votes cast
Oct
31
awarded  Yearling
Oct
31
revised Did I calculate this voltage correctly?
added 95 characters in body
Oct
31
answered Did I calculate this voltage correctly?
Oct
30
comment Can you be your own space suit?
@count_to_10 The vacuum suit incident left the astronaut in full vacuum which is prima facie a different situation?
Oct
30
revised Can you be your own space suit?
deleted 1 character in body
Oct
30
asked Can you be your own space suit?
Oct
30
awarded  Informed
May
10
awarded  Scholar
May
10
awarded  Supporter
May
10
accepted Difference between electromagnetic radiation (EMR) and Electromagnetic Field?
May
10
awarded  Student
May
10
asked Difference between electromagnetic radiation (EMR) and Electromagnetic Field?
May
10
comment Why don't electric workers get electrocuted when only touching one wire?
Current doesn't flow when there's no potential difference. You don't 'lose' a potential difference when current is flowing; current flows because there is one. It will flow until something breaks the circuit, either a fault interruptor or your hand burns off.
May
9
comment Why don't electric workers get electrocuted when only touching one wire?
Okay, let's assume that you've totally lost it and are tightrope walking across a bare hydro wire. There will be no appreciable potential difference across various points on your body. Your body will be at the same potential at the wire. This is true even if you take a large step, because there is (virtually) no voltage drop in the hydro line across the distance of one step. You need to jump off when you get to the end though.
May
9
awarded  Teacher
May
9
awarded  Editor
May
9
revised Why don't electric workers get electrocuted when only touching one wire?
added 134 characters in body
May
9
answered Why don't electric workers get electrocuted when only touching one wire?