Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm 70.7Ohm None of these 99.3 Ohm 60 Ohm 250 Ohm 70.7Ohm None of these 99.3 Ohm 60 Ohm 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? I = ER E = I2R None of these I = E/R E = PR I = ER E = I2R None of these I = E/R E = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes None of these Impossible to say Is less than the number of holes Equals the number of holes Is greater than the number of holes None of these Impossible to say Is less than the number of holes Equals the number of holes 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 decreases as the applied frequency increases None of these always increases as the applied frequency increases is equal to the sum of the values of resistance, inductive reactance and capacitive reactance is maximum at the resonant frequency always decreases as the applied frequency increases None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1.75 mA 175 mA None of these 17.5 mA 1750 mA 1.75 mA 175 mA None of these 17.5 mA 1750 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point off the load line up nowhere down None of these off the load line up nowhere down None of these ANSWER DOWNLOAD EXAMIANS APP
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