Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices thermocouple chemical cell solar cell None of these piezoelectric devices thermocouple chemical cell solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: None of these series RC circuit series RLC circuit operated above its resonant frequency series RL circuit purely resistive circuit None of these series RC circuit series RLC circuit operated above its resonant frequency series RL circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal Four - two negative and two positive None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal Four - two negative and two positive None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that costs nothing An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
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