Question
2.00 × 10^20 electrons flow through a cross section of a 3.50-mm-diameter iron wire in 6.00...
2.00 × 10^20 electrons flow through a cross section of a 3.50-mm-diameter iron wire in 6.00 s . What is the electron drift speed in micrometer/second?
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
If 2.91×1020 electrons flow through a cross section of a 4.43 mm diameter Gold wire in...
If 2.91×1020 electrons flow through a cross section
of a 4.43 mm diameter Gold wire in 5.75 s, then what is the drift
speed of the electrons? (The density of conduction electrons in
Gold is n = 5.90×1028 1/m3.)
(in mm/s)
1. The electron drift speed in a 3.00-mm-diameter gold wire is 6.00 × 10−5 m/s. How...
1. The electron drift speed in a 3.00-mm-diameter gold wire is
6.00 × 10−5 m/s. How long does it take 1 mole of electrons to flow
through a cross-section of the wire?
Find the drift speed of electrons in an iron wire at 30.0 degrees Celsius and of...
Find the drift speed of electrons in an iron wire at 30.0 degrees
Celsius and of cross section 2.00 x 10^-6 m^2 which carries 5.0 A
of current. Compare this speed with the speed of electron gas in
the wire.
A copper wire that has a diameter of 2.00 mm carries a current of 10.0 A....
A copper wire that has a diameter of 2.00 mm carries a current
of 10.0 A. Assuming that each copper atom contributes one free
electron to the metal, calculate the drift speed of the electrons
in the wire. The molar mass of copper is 63.5 g/mol and the density
of copper is 8.95 g/cm3.
The point of this problem is to show how slowly electrons travel on average through a...
The point of this problem is to show how slowly electrons travel
on average through a thin wire, even for large values of
current.
A wire made from copper with a cross-section of diameter 0.740
mm carries a current of 13.0 A. Calculate the "areal current
density"; in other words, how many electrons per square meter per
second flow through this wire? (Enter your answer without
units.)
The density of copper is 8.99 g/cm3, and its atomic mass is
63.8....
1-How many electrons flow through a point in a wire in3.00 s if there is a...
1-How many electrons flow through a point in a wire in3.00 s if
there is a constant current of I = 4.00 A ?
2-The current of an electron beam has a measured current of I =
50.00 μA with a radius of 1.00 mm2 . What is the magnitude of the
current density of the beam?
3-Consider a wire of a circular cross-section with a radius of R
= 3.00 mm . The magnitude of the current density is...
A 7.2 mm diameter conducting wire carries a current of 3.8 A. If the density of...
A 7.2 mm diameter conducting wire carries a current of 3.8 A. If
the density of the conduction electrons (free electrons) in the
wire is n=19.6×1028m-3, determine the magnitude of the drift
velocity of the electrons within the wire. Express your answer in
units of μm/s (micrometers per second) using one decimal place.
Take the charge of the electron e=1.6×10-19C.
Consider a copper wire with a diameter of 1.67 mm. (a) What is the drift speed...
Consider a copper wire with a diameter of 1.67 mm.
(a) What is the drift speed of the electrons in the copper wire
when a current of 14.0 A flows through it? Assume that each copper
atom contributes one free electron to the metal. The density of
copper is 8.92 g/cm3.
(b) How does this drift speed compare to the random rms speed of
an electron at 20.0°C? To make this comparison, determine the
random rms speed of an electron...
A 5.0×10−4 V/m electric field creates a 2.5×1017 electrons/scurrent in a 1.7-mm-diameter aluminum wire. a) What...
A 5.0×10−4 V/m electric field creates a
2.5×1017 electrons/scurrent in a 1.7-mm-diameter
aluminum wire.
a) What is the drift speed?
b) What is the mean time between collisions for electrons in
this wire?
Assume that a gold wire 0.32 mm in diameter carries one mobile electron per atom. The...
Assume that a gold wire 0.32 mm in diameter carries one mobile
electron per atom. The mass density and the molecular weight of
gold are 1.89×104 kg/m3 and 197.0 g/mol,
respectively. Calculate the drift speed of the electrons in this
wire when it carries a current of 2.44 A.
(ans. 3.28×10-3 m/s)
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 7 minutes ago
asked 9 minutes ago
asked 18 minutes ago
asked 31 minutes ago
asked 39 minutes ago
asked 51 minutes ago
asked 54 minutes ago
asked 55 minutes ago
asked 59 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago