Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 8.5 A 0.41666666666667 24 A 8.5 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be Can be anywhere At the bottom At the top At the middle Can be anywhere At the bottom At the top At the middle ANSWER DOWNLOAD EXAMIANS APP
Physics Holography is a technique of Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional black and white photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional multicolour photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal reflection Total internal absorption Scattering of light Optical rotation Total internal reflection Total internal absorption Scattering of light Optical rotation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Current unloader Voltage unloader Surge protector Heat protector Current unloader Voltage unloader Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Combustion reaction Fission reaction None Fusion reaction Combustion reaction Fission reaction None Fusion reaction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS