Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization Effect of other magnets Earth's magnetic field Demagnetization due to heating Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed 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 reflects most of the heat from the sun It becomes very hard It has a high latent heat of fusion It has a low specific heat capacity It reflects most of the heat from the sun It becomes very hard It has a high latent heat of fusion It has a low specific heat capacity ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Capacitor Transistor Inductor Diode Capacitor Transistor Inductor Diode ANSWER DOWNLOAD EXAMIANS APP
Physics When all the forces and torques are balanced in a mechanical body it is said to be in Static Equilibrium None of these Buoyancy Static Equilibrium None of these Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Megahertz is a measurement of Speed Frequency Capacity Wavelength Speed Frequency Capacity Wavelength ANSWER DOWNLOAD EXAMIANS APP
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