Electronic Principles A device that converts thermal energy to electrical energy is called a: None of these piezoelectric devices thermocouple solar cell chemical cell None of these piezoelectric devices thermocouple solar cell chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.3 A 0.4 A None of these 0.6 A 0.2 A 0.3 A 0.4 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: None of these 1000 millifarads 1 million picofarads 1 million farads 1 millionth of a picofarad None of these 1000 millifarads 1 million picofarads 1 million farads 1 millionth of a picofarad ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V None of these 0.7 V 20 V 0.8 V None of these 0.7 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these All of these A paramagnetic material A ferromagnetic material A diamagnetic material None of these All of these A paramagnetic material A ferromagnetic material A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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