Advertisements
Advertisements
प्रश्न
What do you understand by the term current? State and define its S.I. unit.
Advertisements
उत्तर
Current is the rate of flow of charge across a cross-section. It is a scalar quantity.
Its S.I. unit is ampere (coulomb per second).
If 1 ampere current flows through a conductor, it means that 6.25 x 1018 electrons pass in 1 second across that cross-section of conductor.
APPEARS IN
संबंधित प्रश्न
Figure. below shows two conductors A and B. Their charges and potentials are given in diagram. State the direction of (i) flow of electrons and (ii) flow of current, when both the conductors are joined by a metal wire.
Differentiate between:
Flow of electron and flow of conventional current.
The direction of conventional current is ______ to electron flow.
The movement of the positive charge is called ______.
