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Work done by restoring force in a wire within elastic limit is -10J. Maximum amount of heat produced in the wire is - a) 10J, b) 20J, c) 5J, d) 15J
Asked by patra04011965 | 29 Nov, 2018, 11:22: AM
answered-by-expert Expert Answer
AS per thermodynamics law, ΔQ = ΔU+ΔW ....................(1)
where ΔQ heat energy absorbed/released, ΔU is change in internal energy and ΔW is workdone
 
Restoring force acts so quickly, there will be negligible heat loss. Hence we approximate this process as adiabatic and ΔQ = 0;
 
hence we have , ΔU+ΔW = 0, since ΔW= -10 J, we have ΔU = 10 J
Answered by Thiyagarajan K | 30 Nov, 2018, 05:23: AM
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Asked by nasir.mirza | 15 Dec, 2018, 11:37: AM
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Asked by nasir.mirza | 15 Dec, 2018, 11:27: AM
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NEET1 - Physics
If a particle moving with velocity −4 m/s i^ and acceleration is 2 m/s2i^. What is distance travelled by the paricle in 6 sec.
Asked by nasir.mirza | 15 Dec, 2018, 11:27: AM
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