Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Which combination of colour is the most convenient during day and night time ? Organe and blue Yellow and blue White and black Red and green Organe and blue Yellow and blue White and black Red and green ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Amplitude Speed Medium Source Amplitude Speed Medium Source ANSWER DOWNLOAD EXAMIANS APP
Physics A machine powered by rotating blades is a Turbines Fumerole None of these Solar panel Turbines Fumerole None of these Solar panel ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Fresh water Mercury Salt water Petrol Fresh water Mercury Salt water Petrol ANSWER DOWNLOAD EXAMIANS APP
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