Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Current unloader Voltage unloader Surge protector Heat protector Current unloader Voltage unloader Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics A cycle tyre bursts suddenly. This represents an : Isoboric process Isothermal process Adiabatic process Isochoric process Isoboric process Isothermal process Adiabatic process Isochoric process ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Conduction None of these Convection Radiation Conduction None of these Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Perfect conductors Dielectrics Semi conductors Superconductors Perfect conductors Dielectrics Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Converts electrical energy into mechanical energy Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Converts electrical energy into mechanical energy Creates mechanical energy Converts mechanical energy into electrical energy Creates electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 65 db to 75 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
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