InyaTrust-Guru

Part-A Physics A)Four alternatives are given for  each of the following questions/incomplete statements. Choose the correct alternative  and write the complete  answer along with its letter  of alphabet     4×1=4 A)The quality of environment can be improved by a)deforestation b)over use of fossil fuel c)erosion d)conservation 2)S. I unit of resistivity a)ohm b)ohm meter c)columb d)volt 3)which device produces electric current? a)generator b)galvanometer c)ammeter d)resistor B]Answer the following   2×1=2 4)state flemings right hand rule 5)"The refractive index of diamond is 2.42”. What is the meaning of this statement in relation to speed C]Answer the following   3×2=6 6)Suggest three ways to maintain a balance between environment and development to survive.  7)Draw a neat labelled diagram of electric motor 8) What are the limitations of the energy m can be obtained from the oceans? D]Answer the following  3×3=9 9)Write two points of dif...