Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell solar cell piezoelectric devices None of these thermocouple chemical cell solar cell piezoelectric devices None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 4 2 1 None of these 4 2 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V 24 V None of these 18 V 30 V 12 V 24 V None of these 18 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.151 mA 0.995 mA 2.02 A 157 raA None of these 0.151 mA 0.995 mA 2.02 A 157 raA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Reluctance Flux density None of these Number of lines of force Magnetomotive force Reluctance Flux density None of these Number of lines of force Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS