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NTPC Placement Paper on 4th May 2008 | NTPC Placement Papers

NTPC PAPER ON 4th MAY KOLKATA Technical ( control and instrumentation): 1. expression for δ(n): u(n)-u(n-1)/ u(n-1)-u(n+1)/ u(n)+u(n+1)/… 2. numerical on a photodiode: to calculate the responsivity/sensitivity when a specified no of incident photons cause a specified no of electron generation. 3. for a radioactive sample which decays to 12.5% of its initial value in […]