Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 12 V None of these 24 V 18 V 30 V 12 V None of these 24 V 18 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 2 4 1 None of these 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always decreases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy None of these Electronical energy Mechanical energy Solar energy Chemical energy None of these Electronical energy Mechanical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.6 A 0.4 A None of these 0.3 A 0.2 A 0.6 A 0.4 A None of these 0.3 A ANSWER DOWNLOAD EXAMIANS APP
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