Q. 52: A heat engine converts 1/6th of input heat into work. When temperature of sink is reduced by 62 K the efficiency of engine becomes 1/3. The temperature of source is (a) 362 K (b) 372 K (c) 392 K (d) 412 K
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Q: Calculate the inductance of the coil shown in Figure Q3(b), which has a cylindrical iron core with…
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Q: 8
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Q: 9) A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m?
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Q: N&5
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Q: A 557-N force is applied to stretch a cable, 66-m long and has a cross-sectional area of 2.8 mm^2.…
A: Given : Force, F = 557 N Original length of the cable, L = 66 m Cross-sectional area of the cable, A…
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Q: Show that critical velocity of a body revolving very close to the surface of a planet of radius 'R'…
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Q: Given that the solar spectrum corresponds to a temperature of 5800 K and peaks at a wavelength of…
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Q: Could you please give reasons for your choice of answers. In which problem is the uncertainty…
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