Electronic Principles The net charge of a neutral copper atom is 4 None of these 1 -1 4 None of these 1 -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 180 0.5 None of these 0.25 4 180 0.5 None of these 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm Less than 100 k Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 10 Ohm Less than 100 k Ohm At least 10 Ohm More than 100 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = PR E = I2R I = ER I = E/R None of these E = PR E = I2R I = ER I = E/R None of these 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 always increases as the applied frequency increases is maximum at the resonant frequency 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 always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
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