A parallel plate capacitor has a separation of 2x10 m and free space between the plates. A 10 V battery is connected across the
plates and then removed without disturbing the charge on the plates. The plates are now allowed to come together toa separation of 10% m without disturbing the charge on the plates. Fringing fields can be ignored. A) What is the voltage across the plates? B) How has the energy stored in the capacitor changed?
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Answer:
A) Rate of heat addition = 228.53 Hp
B) Maximum Air temperature = 1109 °C
Explanation:
We are given;
Cut off ratio; r_c = 1.5
Compression ratio; r = 18
Power produced; W` = 150 Hp
cp = 1.005 kJ/kg·K
cv = 0.718 kJ/kg·K
R = 0.287 kJ/kg·K
k = 1.4
Temperature;T1 = 17°C = 17 + 273 K = 290K
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