Question

which is the quest. that will definitely come in class 10 sci. board.

Answer 1

electric motor and dc/ ac generator

explain with principles, application and suitable diagram

Answer 2

Here is your answer mate,

Homologous series,difference between soaps and detergents, newlands law, Mendeleev's periodic table,difference b/w aerobic and anaerobic respiration,opening and closing of stomata,binary fission,female and male reproductive system ,break down of glucose by various path ways, heart , excretory system,reflex arc,human brain, difference between asexual and sexual reproduction, Mendel's experiment,laws of inheritance,difference between acquired and inherited traits,ray diagrams,laws of reflection and retraction,defects of vision and their correction, atmospheric refraction,scattering of light, ohm's law,resistors, electric motor and generator,field lines around bar magnet, Fleming's Left hand rule, bio gas plant, solar cooker,10% law,dams.

Hope it helps ......