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 = E2/R P = I2R I = P/E P = IE None of these P = E2/R P = I2R I = P/E P = IE None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 30 Ohm None of these 60 Ohm 754 Ohm 120 Ohm 30 Ohm None of these 60 Ohm 754 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Wattmeter Ohmmeter Voltmeter Ammeter None of these Wattmeter Ohmmeter Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency is minimum at the resonant frequency None of these always decreases as the applied frequency increases always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency None of these always decreases as the applied frequency increases always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: cuts the inductive reactance in half multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance has no effect on the inductive reactance cuts the inductive reactance in half multiplies the inductive reactance by 6.28 None of these doubles the amount of inductive reactance has no effect on the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 1 V 0.7V 0.3V 2 m V per degree Celsius None of these 1 V 0.7V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
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