Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Ammeter Wattmeter Ohmmeter None of these Voltmeter Ammeter Wattmeter Ohmmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four has no effect on the inductance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy Free electrons Doping None of these Valence electrons Thermal energy Free electrons Doping None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy None of these Mechanical energy Solar energy Chemical energy Electronical energy None of these Mechanical energy Solar energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V None of these 600 V 4.73 24 V 0.4 V None of these 600 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 ANSWER DOWNLOAD EXAMIANS APP
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