your answer would be The one in the top right corner that looks a bit like this..
A TV draws 0.867 A of current when connected to a 122 V outlet. It’s resistance is 140.71.
1 answer:
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The electrical efficiency is defined as the ratio between the useful power output and the total power input:
In our problem,
(power generated by the solar panel) and 
(power hitting the surface of the solar panel), therefore the efficiency of the panel is
which corresponds to 30%.
In our problem,
which corresponds to 30%.
Answer:
The answers can be found by considering the isothermal expansion equation as well as the ideal gas equation from where we have
The temperature T = 602.64K and the final pressure P = 110.24MPa
Explanation:
Numbeer of moles of gas = 3.00 mol
initial volume = 230.8×10−6 m3
final volume = 133.4×10−6 m3 .
released energy = 8240 J
Temperature = Constant = T
Pressure = =unknown
From the relation the combined ideal gas law, PV = nRT
Where R = 8.314 4621.JK−1mol−1
we have The release energy from compression P1V1 -P2V2
-qrev = -nRTln() = 8240J
n = 3
Hence -nRTln() = 3×8.314 462×ln
× T= -8240 J
or -13.67×T = -8240J, thus T = -8240/-13.67 = 602.64K
The Final pressure is given by
PV = n×R×T from where we have V = final volume thus
P = (n×R×T)/V = (3×8.134×602.64)÷(133.4×) = 110237041.1 N/
= 110.237MPa