Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases always decreases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always increases as the applied frequency increases always decreases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 2 k Ohm 1 k Ohm 10 k Ohm 20 k Ohm None of these 2 k Ohm 1 k Ohm 10 k Ohm 20 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? None of these Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 14.8 µA 7.75 µA None of these 10.3 µA 7.8 µA 14.8 µA 7.75 µA None of these 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device nicad cell None of these solar cell photodiode piezoelectric device nicad cell None of these solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half None of these doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 has no effect on the inductive reactance cuts the inductive reactance in half None of these ANSWER DOWNLOAD EXAMIANS APP