⟩ A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is A. 8.57% B. 42.85% C. 4.28% D. 85.7%
Option D
Option D
Tell us why Is The Soldering Iron Bit Made Of Copper And Not Of Steel?
Do you know what Are The Commonly Found Iron Ores?
Tell us the following properties of metal (a) Fusibility (b) Stiffness (c) Ductility
Tell us what Are The Chemical Composition Of Gun Metal, German Silver And Duralumin?
Do you know The Annealing Process?
Tell us why Are Machine Beds Made Of Cast Iron?
Tell me what Do You Mean By Stainless Steel?
Do you know how is steel classified?
Tell us what do you understand by Specific Gravity and Tenacity?
Tell me why is the most of cutting tools made out in H.S.S?