Physics The electric current in a metal wire is due to the flow of - Ions Holes Protons Electrons Ions Holes Protons Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Amplifier Transmitter Speaker Microphone Amplifier Transmitter Speaker Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 60 kHz 45 kHz 35 kHz 20kHz 60 kHz 45 kHz 35 kHz 20kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Neither 25 W 100 W Both Neither 25 W 100 W Both ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Solids Gases Liquids Vaccum Solids Gases Liquids Vaccum ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Depends on their masses Sphere Both reach at the same time Disk Depends on their masses Sphere Both reach at the same time Disk ANSWER DOWNLOAD EXAMIANS APP
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