Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy Electronical energy Chemical energy None of these Mechanical energy Solar energy Electronical energy Chemical energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 6 Ohm None of these 5 Ohm 100 Ohm 50 Ohm or more 6 Ohm None of these 5 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say Neither Secondary voltage Primary voltage None of these Impossible to say Neither Secondary voltage Primary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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? 99.3 Ohm 250 Ohm 60 Ohm 70.7Ohm None of these 99.3 Ohm 250 Ohm 60 Ohm 70.7Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS