Physics The method of magnetisation is: Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C C 7C C/7 14C C 7C C/7 ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Dynamo Transformer Induction coil Rectifier Dynamo Transformer Induction coil Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics Air coolers are more suitable for Cool and dry climate Hot and dry climate Cool and humid climate Hot and humid climate Cool and dry climate Hot and dry climate Cool and humid climate Hot and humid climate ANSWER DOWNLOAD EXAMIANS APP
Physics Boyle's law relates to Kinetic Theory of Gases Elasticity of Solids Plasticity of Solids Viscosity of Liquids Kinetic Theory of Gases Elasticity of Solids Plasticity of Solids Viscosity of Liquids ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Amplifier Regulator Rectifier Switch Amplifier Regulator Rectifier ANSWER DOWNLOAD EXAMIANS APP