Physics The electric current in a metal wire is due to the flow of - Protons Ions Electrons Holes Protons Ions Electrons Holes ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Rectifier Oscillator Dynamo Transformer Rectifier Oscillator Dynamo Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Gamma rays Microwave radiation UV rays Visible light Gamma rays Microwave radiation UV rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 20kHz 60 kHz 35 kHz 45 kHz 20kHz 60 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Liquid Solid Gas Vacuum Liquid Solid Gas Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Galileo Kepler Newton Ptolemy Galileo Kepler Newton Ptolemy ANSWER DOWNLOAD EXAMIANS APP
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