Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell None of these chemical cell piezoelectric devices thermocouple solar cell None of these chemical cell piezoelectric devices thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA None of these 10.3 µA 14.8 µA 7.75 µA 7.8 µA None of these 10.3 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more None of these 20 k Ohm or more 20 km or less 200 k Ohm or less 200 k Ohm or more None of these 20 k Ohm or more 20 km or less 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 0.083333333333333 7200 A 180 A 0.5A None of these 0.083333333333333 7200 A 180 A 0.5A None of these 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? 2.02 A 0.995 mA None of these 157 raA 0.151 mA 2.02 A 0.995 mA None of these 157 raA 0.151 mA ANSWER DOWNLOAD EXAMIANS APP