ক) ২০০০ জুল
খ) ১০০০ জুল
গ) শূন্য
ঘ) -২০০০ জুল
সঠিক উত্তর: খ
মোট কৃত কাজ = pV বক্ররেখা দ্বারা আবদ্ধ ক্ষেত্রফল।
অর্থাৎ, $ \Delta ABC $ $ =\frac{1}{2}\times 5\times {10^{-3}}\times 4\times 10^{5}J $ $ =10^{3}J $ $ =1000,J $
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