Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device solar cell nicad cell None of these photodiode piezoelectric device solar cell nicad cell None of these photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: batteries oscillators lightning None of these generators batteries oscillators lightning None of these generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? None of these 300 µA 250 µA 350 µA 0.25 µA None of these 300 µA 250 µA 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V None of these 4.73 600 V 24 V 0.4 V None of these 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP