Physics Which determines the frequency of a sound wave? Speed Source Medium Amplitude Speed Source Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 4000 2000 80 40 4000 2000 80 40 ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: Direct current to Alternating current Alternating current to Direct current Low voltage to high voltage High voltage to low voltage Direct current to Alternating current Alternating current to Direct current Low voltage to high voltage High voltage to low voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Air current over the liquid and buoyancy Viscosity and buoyancy Up thrust and surface tension Surface tension and adherence Air current over the liquid and buoyancy Viscosity and buoyancy Up thrust and surface tension Surface tension and adherence ANSWER DOWNLOAD EXAMIANS APP
Physics The p wave of a normal Electrocardiogram indicates Atrial repolarization Ventricular repolarization Ventricular depolarization Atrial depolarization Atrial repolarization Ventricular repolarization Ventricular depolarization Atrial depolarization ANSWER DOWNLOAD EXAMIANS APP