Advertisements
Advertisements
Question
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?
Short/Brief Note
Advertisements
Solution
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.
shaalaa.com
Direction of the Electric Current - Conventional and Electronic Flow
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Briefly describe the theory of simple voltaic cell.
What do you mean by electrostatics?
What is the value of charge on a body which carries 100 excess electrons?
Which is bigger: a milliampere or a microampere?
Which has a greater resistance: an ammeter or a voltmeter?
Find the number of electrons that would flow per second through the cross-section of a wire when 1 A current flows in it.
A current of 4.5 A flows through a conductor for 2.5 s. What amount of charge passes through the conductor?
Define the electrical resistance of a metal. Write its SI unit.
True or False – If False give the correct answer
Electron flow is in the same direction to conventional current flow.
Problems for practice:
If 50 coulomb of electric charge flows through a wire in five minutes, calculate the current in the wire?
