Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Increases Unchanged Decreases Depends upon the metal Increases Unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Amplitude Frequency Wavelength Loudness Amplitude Frequency Wavelength Loudness ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy C. to A.C. Low voltage A.C. into high voltage A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Transistor Capacitor Diode Inductor Transistor Capacitor Diode Inductor ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in the fabrication of a transistor is Silver Copper Aluminium Silicon Silver Copper Aluminium Silicon ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 365 days 30 days 24 hours Changing continuously 365 days 30 days 24 hours Changing continuously ANSWER DOWNLOAD EXAMIANS APP
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