Physics Which one among the following components is used as an amplifying device? Diode Transformer Capacitor Transistor Diode Transformer Capacitor Transistor ANSWER DOWNLOAD EXAMIANS APP
Physics What is the size of Electron as comapared to Proton and Neutron? 8402 1/355 1/1236 1/1836 8402 1/355 1/1236 1/1836 ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer 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 Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? 2k1k2/k1+k2 K1k2/k1+k2 K1+k2/k1k2 None 2k1k2/k1+k2 K1k2/k1+k2 K1+k2/k1k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics Rear view mirror of car is convex or concave? Convex Both A & B Concave Can't be determined Convex Both A & B Concave Can't be determined ANSWER DOWNLOAD EXAMIANS APP