Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? None of these 0.625 W 80 W 325 kW 0.24 W None of these 0.625 W 80 W 325 kW 0.24 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always increases as the applied frequency increases None of these is minimum at the resonant frequency always decreases as the applied frequency increases is maximum at the resonant frequency always increases as the applied frequency increases None of these is minimum at the resonant frequency always decreases as the applied frequency increases is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current Twice the primary current None of these No more than 10% less than the primary current One-half the primary current Same as the primary current Twice the primary current None of these No more than 10% less than the primary current One-half the primary current 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? None of these 30 V 24 V 12 V 18 V None of these 30 V 24 V 12 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has A load-dependent current None of these A load dependent voltage Zero internal resistance Infinite internal resistance A load-dependent current None of these A load dependent voltage Zero internal resistance Infinite internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm None of these 445 ohm 690 ohm 220 ohm 150 ohm None of these 445 ohm 690 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
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