Physics Sound travels at the fastest speed in steel vacuum water air steel vacuum water air ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber/meter Henry Henry/meter Weber Weber/meter Henry Henry/meter Weber ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Hard steel Mild steel Soft iron Stainless steel Hard steel Mild steel Soft iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms an image which is Virtual and erect Real and inverted Real and erect Virtual and inverted Virtual and erect Real and inverted Real and erect Virtual and inverted ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into magnetic energy Electrical energy into mechanical energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Mechanical energy into electrical energy Magnetic energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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