1.

(a) Define electirc 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 te direction of flow of electron? (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?

Answer»

(a) Define electirc 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 te direction of flow of electron?
(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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