Physics The coil wire in the electric room heater or electric cooking heater is called ________ Filament Cells Element Circuit Filament Cells Element Circuit ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Electron microscopes None of these Scanning tunneling microscopes Optical microscopes Electron microscopes None of these Scanning tunneling microscopes Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire ANSWER DOWNLOAD EXAMIANS APP
Physics In order to make an electromagnet you need a Dry cell batteries Thin coated copper wire All of these Iron nail Dry cell batteries Thin coated copper wire All of these Iron nail ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A resistor An inductor A transformer A capacitor A resistor An inductor A transformer A capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
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