Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance The fuse of the appliance Short circuitry of the appliance The filament of the appliance The outer metallic body of the appliance The fuse of the appliance Short circuitry of the appliance The filament of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Wavelength Amplitude Speed Frequency Wavelength Amplitude Speed Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Which physical quantity is measured in 'siemens'? Magnetic flux Refractive index Electric potential Electrical conductance Magnetic flux Refractive index Electric potential Electrical conductance ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Becomes Zero Remains constant Increases Decreases Becomes Zero Remains constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following components is used as an amplifying device? Capacitor Transistor Transformer Diode Capacitor Transistor Transformer Diode ANSWER DOWNLOAD EXAMIANS APP