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 60 Ohm None of these 99.3 Ohm 250 Ohm 70.7Ohm 60 Ohm None of these 99.3 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance 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 has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 None of these -3 -6 2 None of these -3 -6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is equal to the total voltage The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is equal to the total voltage The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP