A) \[\text{9}.\text{13}\times \text{1}{{0}^{\text{3}}}\text{N}/{{\text{m}}^{\text{2}}}\]
B) \[\text{18}.\text{26 N}/{{\text{m}}^{\text{2}}}\]
C) \[\text{2}.\text{25}\times \text{1}{{0}^{\text{3}}}\text{min}\]
D) 3,2
Correct Answer: C
Solution :
Given equation is \[i=\frac{4\times {{10}^{3}}\times 12\times {{10}^{-2}}}{60}\] \[=8A\]\[\eta =\frac{\text{Work output}}{\text{Heat input}}\] \[\eta =\frac{{{Q}_{H}}-{{Q}_{L}}}{{{Q}_{H}}}\] \[\eta =1-\frac{{{Q}_{L}}}{{{Q}_{H}}}\] \[\frac{{{Q}_{L}}}{{{Q}_{H}}}=\frac{{{T}_{L}}}{{{T}_{H}}}\] Length of major axis \[\eta =1-\frac{{{T}_{L}}}{{{T}_{H}}}\] and length of minor axis = 2a \[\frac{1}{5}=1-\frac{{{T}_{L}}}{{{T}_{H}}}\]
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