Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 2000 80 40 4000 2000 80 40 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following processes is responsible for the glittering of air bubble rising through water? Refraction of light Reflection of light Scattering of light Total internal reflection of light Refraction of light Reflection of light Scattering of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in the fabrication of a transistor is Silicon Aluminium Silver Copper Silicon Aluminium Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 4 times 16 times 8 times 2 times 4 times 16 times 8 times 2 times ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the resistance To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance To decrease the current flow Ro decrease the voltage momentarily To increase the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can either be created or destroyed Energy can neither be created nor destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
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