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 50 Ohm or more 5 Ohm 100 Ohm None of these 6 Ohm 50 Ohm or more 5 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 2 None of these 43891 3 43922 2 None of these 43891 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 45 degree None of these 180 degree 75 degree 30 degree 45 degree None of these 180 degree 75 degree 30 degree 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 Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow The ac voltage lags the current by 90 degree None of these Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field Like magnetic poles attract; unlike poles repel None of these Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: has no effect on the inductive reactance None of these cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 has no effect on the inductive reactance None of these cuts the inductive reactance in half doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
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