An ideal engine whose efficiency is 40%, receives heat at 500 K. If required efficiency is 50%, then intake temperature for the same exhaust temperature is
An ideal engine whose efficiency is 40%, receives heat at 500 K. If required efficiency is 50%, then intake temperature for the same exhaust temperature is
Option 1 -
800 K
Option 2 -
700 K
Option 3 -
400 K
Option 4 -
600 K
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1 Answer
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Correct Option - 4
Detailed Solution:
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It is balanced wheatstone bridge
Since Gand S are in parallel
-> VG = VS
->3mA * 10 = 8A * RS
->RS = 3.75mW
Equivalent circuit
(VP– VQ) = 0.9 * 6 – 0.9 * 2
VC = 3.6V
U =
= 25.92mJ
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