Physics The electric current in a metal wire is due to the flow of - Ions Holes Electrons Protons Ions Holes Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force None of these By the objects weight By the speed of the object When the objects meet None of these By the objects weight By the speed of the object When the objects meet ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves Radio waves Frequency of 1016 series M. Micro waves Radio waves Frequency of 1016 series M. ANSWER DOWNLOAD EXAMIANS APP
Physics A colour-blind person cannot See distant objects Distinguish between certain colours See black colour Have persistence of vision See distant objects Distinguish between certain colours See black colour Have persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Transistor Diode Capacitor Inductor Transistor Diode Capacitor Inductor ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
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