Physics In order to make an electromagnet you need a Dry cell batteries Iron nail Thin coated copper wire All of these Dry cell batteries Iron nail Thin coated copper wire All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Cells Filament Element Circuit Cells Filament Element Circuit ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by None Fusion reaction Combustion reaction Fission reaction None Fusion reaction Combustion reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired The entropy of the universe is always increasing No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired The entropy of the universe is always increasing No chemical reaction is 100 percent efficient ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Visible light Xrays Ultra violet rays Gamma rays Visible light Xrays Ultra violet rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP