Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V 10.17 V 20 V None of these 0.17 V 18.8 V 10.17 V 20 V None of these 0.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is greater than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is greater than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Number of lines of force Reluctance None of these Magnetomotive force Flux density Number of lines of force Reluctance None of these Magnetomotive force Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature brush loop None of these commutator armature brush loop None of these commutator ANSWER DOWNLOAD EXAMIANS APP
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