Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed ANSWER DOWNLOAD EXAMIANS APP
Physics In AC circuits, AC meters measure Mean square values Rms values Peak values Mean values Mean square values Rms values Peak values Mean values ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds. 40 12500 6250 20 40 12500 6250 20 ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Means of photons Particles replaces there places All of these Collide each other Means of photons Particles replaces there places All of these Collide each other ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Radiation Convection Conduction Insolation Radiation Convection Conduction Insolation ANSWER DOWNLOAD EXAMIANS APP