Electronic Principles A farad is defined as the amount of capacitance necessary for: storing 1 V for 1 second causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power storing 1 V for 1 second causing an ac phase shift greater than 90 degree None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm None of these 5 Ohm 100 Ohm 50 Ohm or more 6 Ohm None of these 5 Ohm 100 Ohm 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only None of these Electrons, protons, and neutrons Electrons, protons, and ions Electrons, ions, and neutrons Protons only None of these Electrons, protons, and neutrons Electrons, protons, and ions Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm None of these 550 Ohm 400 Ohm 310 Ohm 410 Ohm None of these 550 Ohm 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes Impossible to say Is greater than the number of holes Is less than the number of holes None of these Equals the number of holes Impossible to say Is greater than the number of holes Is less than the number of holes None of these ANSWER DOWNLOAD EXAMIANS APP