Electronic Principles What is one important thing transistors do? Regulate voltage None of these Rectify line voltage Amplify weak signals Emit light Regulate voltage None of these Rectify line voltage Amplify weak signals Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 6 W None of these 3 W 64 W 122 W 6 W None of these 3 W 64 W 122 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE P = I2R P = E2/R None of these I = P/E P = IE P = I2R P = E2/R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron None of these An electron that costs nothing An electron that has no electrical charge An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron None of these ANSWER DOWNLOAD EXAMIANS APP
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