Physics Positive feedback is used in Rectifiers Oscillators None of these Amplifiers Rectifiers Oscillators None of these Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics The weakest of all fundamental forces is Gravitational force Nuclear force Electrostatic force Magnetic force Gravitational force Nuclear force Electrostatic force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters -4.33 diopters 4.33 diopters 12.33 diopters -12.33 diopters -4.33 diopters 4.33 diopters 12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Constant Infinite Zero Increasing Constant Infinite Zero Increasing ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan gives cool air. Fan cools surrounding air. ANSWER DOWNLOAD EXAMIANS APP
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