Physics The material used in electric heater is Brass Steel Nichrome Tungsten Brass Steel Nichrome Tungsten ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Electrochemical cell Daniell cell Photovoltaic cell Galvanic cell Electrochemical cell Daniell cell Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Convex Concave Plane Cylindrical Convex Concave Plane Cylindrical ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Lenz's rule Maxwell's right hand rule Flemings left hand rule Kirchoff's law Lenz's rule Maxwell's right hand rule Flemings left hand rule Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun It becomes very hard It has a low specific heat capacity It has a high latent heat of fusion It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP