Physics What is the name of the device used to convert alternating current into direct current ? Transformer Galvanometer Ammeter Rectifier Transformer Galvanometer Ammeter Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be At the middle At the bottom At the top Can be anywhere At the middle At the bottom At the top Can be anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert static friction into kinetic friction To increase friction To convert kinetic friction into rolling friction Just for convenience To convert static friction into kinetic friction To increase friction To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics Ampere second could be the unit of Conductance Energy Power Charge Conductance Energy Power Charge ANSWER DOWNLOAD EXAMIANS APP
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