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प्रश्न
What is the number of electrons that would flow per second through the cross-section of a wire when 1 A current flows in it?
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उत्तर
I = 1A
T = 1s.
I = Q/t = ne/t
So, n = I . t / e = 1 . (1 / 1.6 x 10-19) = 6.25 x 1018 electrons.
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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.
True or False – If False give the correct answer
Electron flow is in the same direction to conventional current flow.
State whether true or false. If false, correct the statement.
The anode in electrolyte is negative.
Problems for practice:
If 50 coulomb of electric charge flows through a wire in five minutes, calculate the current in the wire?
