Question
In: Physics
Compare the thermal velocity with the drift velocity of electrons in one mole of a divalent...
Compare the thermal velocity with the drift velocity of electrons in one mole of a divalent metal wire carrying 7 A at 40 K. The wire has a diameter of 1mm. With the numbers that you’ve calculated, describe the motion of the electrons in a few sentences.
Solutions
genius_generous answered 1 year agoRelated Solutions
What is drift velocity?
What is drift velocity?
What is drift velocity?
What is drift velocity?
2. (a) The drift speed of electrons in a complete circuit, is typically a few mil-...
2.
(a) The drift speed of electrons in a complete circuit, is
typically a few mil- limeters per second. Yet, a lamp 3.0m away
from a light switch turns on instantaneously when you flip the
switch. Explain this apparent paradox.
(b) To move charges in metallic wires, an internal electric
field must exist in the wire. In such a wire, are the electric
field and the electric current in the same or opposite directions?
Explain.
One mole of acetyl chloride was mixed with one mole of dimethylamine.
One mole of acetyl chloride was mixed with one mole of dimethylamine. After the reaction is complete, what species can be found in the mixture? Draw only the organic structures (i.e., omit inorganic ions). Show charges where necessary.
a) In a Gunn diode oscillator, the electron drift velocity was found to be 107 cm/sec...
a) In a Gunn diode oscillator, the electron drift velocity was
found to be 107 cm/sec and the critical field for GaAs
as 3.2 KV/cm. If the effective length is 20 microns, determine
the
i. Intrinsic frequency
ii. Critical voltage that can be applied to the diode.
Please qualitatively describe drift velocity and why it opposes the relative motion of a conductor and a magnet.
Please qualitatively describe drift velocity and why it opposes the relative motion of a conductor and a magnet. Five to six sentences is enough.
Bob and 2 students of his drift by Dave at velocity vH in the x-direction. He...
Bob and 2 students of his drift by Dave at velocity
vH in the x-direction. He then
synchronizes all the clocks in his reference frame, using the
perfect Einstein Convention.
Bob has a flashlight. Dave is some distance away from Bob,
observing.
Consider two students, with t-shirts reading l and -l, along the
x-axis of Bob, one in front, and one behind Bob.
When Bob fires his light flash, which student receives the light
flash first, as observed by Dave?...
State how directions of the electric field, current, drift velocity, and current density related?
State how directions of the electric field, current, drift
velocity, and current density related?
one mole of ice at 0 C is put into contact with one mole of steam...
one mole of ice at 0 C is put into contact with one mole of
steam at 100 C in an adiabatic enclosure. The pressure is held
constant at one atmosphere. What is the final composition and
temperature of the system?
One mole of n-butane and one mole of n-pentane are charged into a container. The container...
One mole of n-butane and one mole of n-pentane are charged into
a container. The container is heatedto 180 oF where the
pressure reads 100 psia. Determine the quantities and composition
of the phases in the container.
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