Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? None of these P = IE P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 0 V None of these 36 V 40 V 60 V 0 V None of these 36 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields a poor conductor of electrostatic fields None of these a good conductor a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields None of these a good conductor a good insulator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit None of these parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm 30 Ohm 120 Ohm None of these 754 Ohm 60 Ohm ANSWER DOWNLOAD EXAMIANS APP