Electronic Principles What is one important thing transistors do? Emit light Rectify line voltage Regulate voltage None of these Amplify weak signals Emit light Rectify line voltage Regulate voltage None of these Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: 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 always increases as the applied frequency increases always decreases as the applied frequency increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Reluctance Number of lines of force Magnetomotive force None of these Flux density Reluctance Number of lines of force Magnetomotive force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: volts per second henrys Ohm None of these amperes per second volts per second henrys Ohm None of these amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA 250 µA 350 µA 300 µA None of these 0.25 µA 250 µA 350 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
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