Question
(a) Define electric current. What is the SI unit of electric current. (b) One coulomb of charge flows through any cross-section of a conductor in
(a) Define electric current. What is the SI unit of electric current.
(b) One coulomb of charge flows through any cross-section of a conductor in 1 second. What is the current flowing through the conductor ?
(c) Which instrument is used to measure electric current ? How should it be connected in a circuit ?
(d) What is the conventional direction of the flow of electric current ? How does it differ from the direction of flow of electrons ?
(e) A flash of lightning carries 10 C of charge which flows for 0.01 s. What is the current ? If the voltage is 10 MV, what is the energy ?
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Principles Of Thermodynamics
Authors: Jean-Philippe Ansermet, Sylvain D. Brechet
1st Edition
1108426093, 978-1108426091
