Physics Materials that usually are good conductors of electricity? Aluminium Wood Nickel Lead Aluminium Wood Nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 4 only 3 and 4 only 1, 2 and 3 only 1, 2, 3 and 4 4 only 3 and 4 only 1, 2 and 3 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train No frictional force may be produced between the tracks and the wheels of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics The word ''insolation' means Incoming solar radiation Matters which insulate Insoluble matters None of these Incoming solar radiation Matters which insulate Insoluble matters None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process by which bubbles from liquid are formed? Surface Tension Surface Energy Effervescence Degasification Surface Tension Surface Energy Effervescence Degasification ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type ANSWER DOWNLOAD EXAMIANS APP