Physics The electric current in a metal wire is due to the flow of - Protons Holes Ions Electrons Protons Holes Ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because The earth rotates from east to west The earth rotates from west to east All stars move from east to west The background of the stars moves from west to east The earth rotates from east to west The earth rotates from west to east All stars move from east to west The background of the stars moves from west to east ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? Radio wave Optical fiber All are operating at nearly the same propagation speed Microwave Radio wave Optical fiber All are operating at nearly the same propagation speed Microwave ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Absence of gravity outside Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Negatively charged Charged with a type depending upon current strength Neutral Positively charged Negatively charged Charged with a type depending upon current strength Neutral Positively charged ANSWER DOWNLOAD EXAMIANS APP
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