Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-photon intercation Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics Rolling friction is caused by ________ Gravity Power dissipation Buoyancy Non-elastic effects Gravity Power dissipation Buoyancy Non-elastic effects ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls Behind him In front of him By his side Into his hand Behind him In front of him By his side Into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Insulator Metallic-conductor Semi-conductor Super-conductor Insulator Metallic-conductor Semi-conductor Super-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel None of these Renewable Energy Nuclear Energy Fossil fuel None of these Renewable Energy Nuclear Energy ANSWER DOWNLOAD EXAMIANS APP
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