Physics Transformer is a device to convert C. to A.C. Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. Mechanical energy into Electrical energy C. to A.C. Low voltage D.C. into high voltage D.C. Low voltage A.C. into high voltage A.C. Mechanical energy into Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The infra-red rays G-rays The ultraviolet rays X-rays The infra-red rays G-rays The ultraviolet rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Elliptical Spiral None of these Circular Elliptical Spiral None of these Circular ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Sone Phon Decibel Hertz Sone Phon Decibel Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics 0°K is equivalent to 273°C 100°C 0°C – 273°C 273°C 100°C 0°C – 273°C ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Spread his hands outwards Raise his hands up Sit down with raised hands Bring his hands together Spread his hands outwards Raise his hands up Sit down with raised hands Bring his hands together ANSWER DOWNLOAD EXAMIANS APP