Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Converts DC to AC Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal Light signal into sound signal Current signal into sound signal Sound signal into current signal Sound signal into light signal ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 1 metre 4 metres 2 metres 3 metres 1 metre 4 metres 2 metres 3 metres ANSWER DOWNLOAD EXAMIANS APP
Physics Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as Power Braking Cornering Blowout Power Braking Cornering Blowout ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low Efficiency is 100% Force is applied in a convenient direction Mechanical advantage is high Velocity ratio is low ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Transformer Capacitor Diode Transistor Transformer Capacitor Diode Transistor ANSWER DOWNLOAD EXAMIANS APP
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