Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It stops due to malfunctioning It is ready to produce controlled energy It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It stops due to malfunctioning It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which law relates to the ideal gas law? P1/V1 = P2/V2 T1/V1 = T2/V2 P1T1 = P2T2 P1V1 = P2V2 P1/V1 = P2/V2 T1/V1 = T2/V2 P1T1 = P2T2 P1V1 = P2V2 ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P P > P 2P < P P > P 2P ANSWER DOWNLOAD EXAMIANS APP
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