Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 2 m V per degree Celsius 1 V 0.7V 0.3V None of these 2 m V per degree Celsius 1 V 0.7V 0.3V 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 400 Ohm 550 Ohm None of these 310 Ohm 410 Ohm 400 Ohm 550 Ohm None of these 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells None of these piezoeletric cells voltage generators solar cells chemical cells None of these piezoeletric cells voltage generators solar cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: None of these the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 1000 A None of these 10000A one-millionth of an ampere one million amperes 1000 A None of these 10000A one-millionth of an ampere ANSWER DOWNLOAD EXAMIANS APP