Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 64 W 6 W 3 W 122 W None of these 64 W 6 W 3 W 122 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude 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 A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V 24 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Thermal energy Valence electrons Free electrons Doping None of these Thermal energy Valence electrons Free electrons Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is less than the number of holes Is greater than the number of holes Equals the number of holes None of these Impossible to say Is less than the number of holes Is greater than the number of holes Equals the number of holes None of these Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Thevenin voltage, you have to Short the load resistor Short the voltage source Open the voltage source None of these Open the load resister Short the load resistor Short the voltage source Open the voltage source None of these Open the load resister ANSWER DOWNLOAD EXAMIANS APP