A block of quartz of mass 13.5 g is weighed in aniline at 0°C and 100°C. The weighings
are 8.905g and 9.29g respectively. Calculate the
coefficient of cubical expansion of aniline, assuming
the coefficient of cubical expansion of quartz, to be zero,
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0
Answer:
speed of welding is 20mm/s,area of
weld is20mm^2,current supply is
1000000mAand resistance of weld is
200micro-ohm,transformer
effeciency is 90%?
O 50%
O 45%
O 30%
80%
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3
sorry my dear friend I am a student of class 8 it is so difficult question and this type of question I not study sorry
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