Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the number of cycles completed in one second equal to 1.41 times the peak amplitude None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second equal to 1.41 times the peak amplitude None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 1 k Ohm None of these 20 k Ohm 10 k Ohm 2 k Ohm 1 k Ohm None of these 20 k Ohm 10 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current All of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
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