Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It increases the volume of the person to keep him afloat It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat The person can sit on it like a raft It increases the volume of the person to keep him afloat It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 50 HZ 100 HZ 60 HZ Zero 50 HZ 100 HZ 60 HZ Zero ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–9 m 10–15 m 10–12 m 10–6 m 10–9 m 10–15 m 10–12 m 10–6 m ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the diffusion of oil through the wick Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon Of the diffusion of oil through the wick Oil is very light Of the surface tension phenomenon Of the capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics When heated from 0 to 100oC volume of a given mass of water will : Decrease and then will increase Increase and then will decrease Increase gradually Decrease gradually Decrease and then will increase Increase and then will decrease Increase gradually Decrease gradually ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Oscillators None of these Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers ANSWER DOWNLOAD EXAMIANS APP
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