Answer:
QPSK: 7.5 MHz
64-QAM:2.5 MHz
64-Walsh-Hadamard: 160 MHz
Explanation:
See attached picture.
A heat pump cycle operating at steady state receives energy by heat transfer from well water at 10oC and discharges energy by he
1 answer:
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Answer:
The efficiency of this fuel cell is 80.69 percent.
Explanation:
From Physics we define the efficiency of the automotive fuel cell (), dimensionless, as:
(Eq. 1)
Where:
- Maximum power possible from hydrogen flow, measured in kilowatts.
- Output power of the automotive fuel cell, measured in kilowatts.
The maximum power possible from hydrogen flow is:
(Eq. 2)
Where:
- Volume flow rate, measured in cubic meters per second.
- Density of hydrogen, measured in kilograms per cubic meter.
- Heating value of hydrogen, measured in kilojoules per kilogram.
If we know that ,
,
and
, then the efficiency of this fuel cell is:
(Eq. 1)
(Eq. 2)
The efficiency of this fuel cell is 80.69 percent.
Answer:
Zx = 176In³
Explanation:
See attached image file
