Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple solar cell None of these piezoelectric devices chemical cell thermocouple solar cell None of these piezoelectric devices chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Neither Primary voltage Secondary voltage None of these Impossible to say Neither Primary voltage Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W None of these 325 kW 0.625 W 80 W 0.24 W None of these 325 kW 0.625 W 80 W 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 Magnetomotive force None of these Reluctance Number of lines of force Flux density Magnetomotive force None of these Reluctance Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor None of these ANSWER DOWNLOAD EXAMIANS APP