Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Ohmmeter Voltmeter Wattmeter Ammeter None of these Ohmmeter Voltmeter Wattmeter Ammeter 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 = E2/R None of these P = I2R I = P/E P = IE P = E2/R None of these P = I2R I = P/E P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RL circuit purely resistive circuit None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit purely resistive circuit None of these parallel RC circuit parallel RLC circuit operated above its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 77.7 ohm 224 ohm 89.3 ohm None of these 88.8 ohm 77.7 ohm 224 ohm 89.3 ohm None of these 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Reluctance None of these Magnetomotive force Number of lines of force Flux density Reluctance None of these Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP