Physics The function of ball bearings in a wheel is : To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 25 W Neither 100 W Both 25 W Neither 100 W ANSWER DOWNLOAD EXAMIANS APP
Physics As we go from Equator to North pole the value of ''g', the acceleration due to gravity None of these Increases Decreases Remains the same None of these Increases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Fossil fuel Biofuel Nuclear power Wind energy Fossil fuel Biofuel Nuclear power Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Halved Decreased by a factor 2 Increased by a factor 2 Doubled Halved Decreased by a factor 2 Increased by a factor 2 Doubled ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Beta rays Alpha rays Gamma rays None of these Beta rays Alpha rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
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