Question

What is electric current. Name and define its S I unit in a conductor electrons flowing from B to A . What is the direction of conventional current. Give justification for your answer. A steady current of 1 Ampere flows through a conductor.Calculate the number of electrons that flows through any section in 1 second? (charge of electrons 1.6 * 10^-9.....

Plz Help...

Answer 1

Current is the net flow of charged particles. It's measured in Amperes. Current is modeled as the flow of positively charged particles, so that if electrons flow from B to A, convention states that current flows from A to B. This is the convention because Benjamin Franklin decided it a few centuries ago.

1 A * 1 s = 1 C

1 C * 1 electron / (1.6 * 10^-19 C) = 6.25*10^18

Answer 2

Electric current:The rate of flow of charge is called electric current.
i.e.,. l=dq/dt
SI unit of current is ampere(A) or Coulomb/sec(C/s).
if electrons travel from B To A ,then, current is travel from A To B.since current and flow of electrons are in opposite direction.
we know that:
I=q/t
q=It. -(1)
we also know that;
q=ne -(2)
now from eqn (1)&(2),
It=ne
we know that:
e=1.6 ×10^-19 Coulomb
t= 1 second
I=1 Ampere
putting the values ,we get
1=n×1.6×10^-19
n=1/1.6×10^-19
n=0.625×10^19
n=625×10^16 electrons.
answer .
please mark me brainliest