Physics A transformer Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there Dust inside the bulb condenses on the top The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat The tungsten filament evaporates and collects there ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are The electrons orbiting around the nucleus Charged particles emitted by nucleus Neutral particles Electromagnetic radiations The electrons orbiting around the nucleus Charged particles emitted by nucleus Neutral particles Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics The modulus of rigidity is the ratio of Longitudinal stress to longitudinal strain Tensile stress to tensile strain Volume stress to volume strain Shearing stress to shearing strain Longitudinal stress to longitudinal strain Tensile stress to tensile strain Volume stress to volume strain Shearing stress to shearing strain ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are pieces of Cobalt Steel Soft iron Nickel Cobalt Steel Soft iron Nickel ANSWER DOWNLOAD EXAMIANS APP
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