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? None of these 6 Ohm 100 Ohm 5 Ohm 50 Ohm or more None of these 6 Ohm 100 Ohm 5 Ohm 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 24 V 0.4 V 4.73 600 V None of these 24 V 0.4 V 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 200 W 1000 W 20 W None of these 100 W 200 W 1000 W 20 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 700 V 707 V None of these 651 V 208 V 700 V 707 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? The ac voltage lags the current by 90 degree None of these Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree None of these Combinations of resistance and inductive reactance provide any opposition to current flow Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency All of these Power dissipation of a pure capacitor increases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency All of these Power dissipation of a pure capacitor increases with operating frequency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS