Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 36 24 50 12 36 24 50 ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics An integrated circuit is more advantages than a coventional circuit because All listed here They make the electric equipments more reliable and easier for servicing If a part of the integrated circuit fails the entire circuit is simply replaced A faulty part of a conventional circuit may be difficult to locate and repair All listed here They make the electric equipments more reliable and easier for servicing If a part of the integrated circuit fails the entire circuit is simply replaced A faulty part of a conventional circuit may be difficult to locate and repair ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Total internal reflection Refraction Rectilinear propagation of light Reflection Total internal reflection Refraction Rectilinear propagation of light Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic Infrared Radio ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Upward thrust due to air Viscous force exerted by air Air current Surface tension Upward thrust due to air Viscous force exerted by air Air current Surface tension ANSWER DOWNLOAD EXAMIANS APP