Define electric current. What is the unit of electric current? Define it?

(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 10C of charge which flows for 0.01s. what is the current? If the voltage is 10MV, what is the energy?

The SI unit of electric current is

Write the SI unit of electric current.

What is meant by electric current?