Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 24 36 12 50 24 36 12 ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Remain unaffected Decrease Increase Have its shape changed Remain unaffected Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations It is shut down to avoid explosion It is ready to produce controlled energy It stops due to malfunctioning It starts emitting dangerous radioactive radiations ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ Water freezes Molecular motion in a gas would cease All gases become liquid All gases become solid Water freezes Molecular motion in a gas would cease All gases become liquid All gases become solid ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? Potential energy All listed here Acceleration Kinetic energy Potential energy All listed here Acceleration Kinetic energy ANSWER DOWNLOAD EXAMIANS APP