Electronic Principles Most AC power is obtained from: oscillators lightning None of these batteries generators oscillators lightning None of these batteries generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Barrier potential Forward voltage None of these Breakdown voltage Applied voltage Barrier potential Forward voltage None of these Breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 36 V 60 V 40 V 0 V None of these 36 V 60 V 40 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
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