Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 220 ohm 150 ohm 445 ohm None of these 690 ohm 220 ohm 150 ohm 445 ohm None of these 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm less than 1 Ohm 312 Ohm 1590 Ohm None of these 690 Ohm less than 1 Ohm 312 Ohm 1590 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA 68.4 mA None of these 28.4 mA 34.4 mA 24.2 mA 68.4 mA None of these 28.4 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary dry-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
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