Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW 20 mW 300 mW 10 mW None of these 200 mW 20 mW 300 mW 10 mW None of these 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 690 ohm 445 ohm None of these 220 ohm 150 ohm 690 ohm 445 ohm None of these 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is minimum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 3 W 122 W 64 W None of these 6 W 3 W 122 W 64 W None of these 6 W 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: One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current One-half the primary current Same as the primary current None of these No more than 10% less than the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells None of these chemical cells voltage generators solar cells piezoeletric cells None of these chemical cells voltage generators solar cells ANSWER DOWNLOAD EXAMIANS APP
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