Physics Unit of impedance is ________ Henry Hertz Tesla Ohm Henry Hertz Tesla Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Grid Fuse Conductor Hub Grid Fuse Conductor Hub ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Eraser Maser Laser Grazer Eraser Maser Laser Grazer ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz 6 – 10 Hz 11 – 20 Hz 20 – 20000 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP