Physics
Current is the rate of flow of charge across a cross-section …………… the flow of current.
- in any direction of
- in a parallel direction to
- in the same direction as
- normal to the direction of
Related Questions
Primary cells provide current as a result of ………….. chemical reaction and secondary cells provide current as a result of ………….. reaction.
- reversible, reversible
- reversible, irreversible
- irreversible, reversible
- irreversible, irreversible
Identify the correct statement (s)
(i) Primary cell is capable of giving low as well as high current whereas secondary cells provide a weak current only.
(ii) The internal resistance of primary cells is low and that of secondary cells is high.
- (i)
- (ii)
- both (i) and (ii)
- none of the above
In metals, current flows due to the movement of :
- protons
- neutrons
- electrons
- electrons and protons
The conventional current is in a direction …………… the direction of motion of electrons.
- parallel
- normal
- opposite
- none of the above