The number density of gas atoms at a certain location in the space above our planet is about 1.05 × 1011 m-3, and the pressure i
1 answer:
To solve this problem we will apply the concepts given by the ideal gas equation, which mathematically can be described as
Here
P = Pressure
V = Volume
N = Number of atoms of molecules
k = Bolzmann constant
T = Temperature
Rearranging to find the temperature we have
Since the value given in the exercise is a unit of atoms per volume, we will readjust the equation like this
Replacing we have,
Therefore the temperature is -86.81°C or 186.3K
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Answer:
Explanation:
Given that,
Capacitance 1,
Capacitance 2,
Capacitance 3,
C₁ and C₂ are connected in series. Their equivalent is given by :
Now C' and C₃ are connected in parallel. So, the final equivalent capacitance is given by :
So, the equivalent capacitance of the combination is 1.97 micro farad. Hence, this is the required solution.
The current is defined as the ratio between the charge Q flowing through a certain point of a wire and the time interval, 
:
First we need to find the net charge flowing at a certain point of the wire in one second,
. Using I=0.92 A and re-arranging the previous equation, we find
Now we know that each electron carries a charge of
, so if we divide the charge Q flowing in the wire by the charge of one electron, we find the number of electron flowing in one second:
First we need to find the net charge flowing at a certain point of the wire in one second,
Now we know that each electron carries a charge of