Physics A dynamo is used to convert Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Magnetic energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Positively charged Negatively charged Neutral Charged with a type depending upon current strength Positively charged Negatively charged Neutral Charged with a type depending upon current strength ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Pascal's law Bernoulli's law Archimedes' principle Posieulle's principle Pascal's law Bernoulli's law Archimedes' principle Posieulle's principle ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to A series of reflections Multiple diminishing brightness A surface tension phenomenon A series of refractions A series of reflections Multiple diminishing brightness A surface tension phenomenon A series of refractions ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy CAT scans Ultrasound scans X-ray photos Endoscopy CAT scans Ultrasound scans X-ray photos ANSWER DOWNLOAD EXAMIANS APP
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