Physics In a photocell light energy is converted into Chemical energy Electrical energy Potential energy Heat energy Chemical energy Electrical energy Potential energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. The atoms are lightly packed. All of these They contain free electrons. They have high melting point. The atoms are lightly packed. All of these They contain free electrons. ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is a device designed to protect electrical devices from voltage spikes? Current unloader Surge protector Heat protector Voltage unloader Current unloader Surge protector Heat protector Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Time Length of an object Velocity of light Space Time Length of an object Velocity of light Space ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS