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? 310 Ohm 550 Ohm 400 Ohm 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm 410 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Smith Gomes Shockley Fisher None of these Smith Gomes Shockley Fisher None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? None of these All of these A diamagnetic material A feiTomagnetic material A paramagnetic material None of these All of these A diamagnetic material A feiTomagnetic material A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor battery None of these commutator armature rotor battery None of these commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor equal to the sum of the individual capacitance values None of these ANSWER DOWNLOAD EXAMIANS APP
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