Electronic Principles When the collector current increases, what does the current gain do? decreases increases stays the same None of these any of the above decreases increases stays the same None of these any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current leads the voltage through a resistor Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values None of these equal to the sum of the individual inductance values less than the inductance value of the smallest inductor equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values 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? None of these 707 V 208 V 700 V 651 V None of these 707 V 208 V 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
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