Question

Q5: Derive an expression producing a source of lower EMF from a source of higher EMF with Explanation and neat diagram.

Answer #1

Answer : It is step up transformer, which has low in put voltage and hight output voltage

CLEARLY Derive the canonical ensemble, then derive the Helmholtz
potential expression (F=U-TS) from the canonical ensemble

Starting from the steady state phase criterium derive an
expression for the longitudinal mode-spacing of a laser resonator,
the free spectral range. And find an expression for the length
change needed to tune the frequency of the laser by exactly two
mode spacings

An electron will move from a lower potential to a higher
potential.

A point light source is located on the fiber axis a distance
ds from the end of a multimode fiber of core radius a.
Determine the value of ds at which the coupling
efficiency starts to depend on a and numerical aperture NA. Derive
an approximate expression for nc when ds is
large.

If a proton is moving from a region of higher potential to a
region of lower potential, what is its change in speed?
A.
The speed stays the same.
B.
The speed decreases.
C.
Unable to be determined.
D.
The speed increases.
If a neutron is moving from a region of higher potential to a
region of lower potential, what is its change in speed?
A.
The speed increases.
B.
The speed decreases.
C.
Unable to be determined.
D.
The...

Predict whether the molar mass of magnesium would be
determine to be lower of higher for each of the following
occurrences (provide an explanation for each response)
a) The temperature of gas was higher than the temperature of the
solution.
b) The pressure of the water column was not subtracted from the
barometric pressure
c) The magnesium did not completely react with the hydrochloric
acid
d) The oxide layer was not completely removed with sandpaper

Oxygen diffuses through two planar membranes in juxtaposition
from a higher concentration CH to a lower concentration CL. The
thicknesses of both membranes are d, and the area is A. The
diffusivities of oxygen in the two membranes are D1 and D2 (D1 >
D2). Obtain an expression for the steady state concentration
profile in the two membranes C1(x) and C2(x), in terms of CH and
CL, and sketch. What is the rate of oxygen consumption (in
moles/time) in terms...

Oxygen diffuses through two planar membranes in juxtaposition
from a higher concentration CH to a lower concentration CL. The
thicknesses of both membranes are d, and the area is A. The
diffusivities of oxygen in the two membranes are D1 and D2 (D1 >
D2). Obtain an expression for the steady state concentration
profile in the two membranes C1(x) and C2(x), in terms of CH and
CL, and sketch. What is the rate of oxygen consumption (in
moles/time) in terms...

How can I prove (what equation) that the positive charges move
from higher to lower potential and the negative charges from lower
to higher potential?

Is
economic mobility, or the ability to move from a lower income group
to a higher group, sill possible in the 21st America? Why or why
not?

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