Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of mass Conservation of energy Conservation of charge Conservation of momentum Conservation of mass Conservation of energy Conservation of charge Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Second and third class levers are differentiated by The presence of multiple loads The location of the fulcrum The type of fulcrum present The location of the load The presence of multiple loads The location of the fulcrum The type of fulcrum present The location of the load ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's Fourth law Third law First law Second law Fourth law Third law First law Second law ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Heat flows as a result of difference of ________ Mass Volume Temperature Density Mass Volume Temperature Density ANSWER DOWNLOAD EXAMIANS APP
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