Electronic Principles In a step-down transformer, which is larger? Neither None of these Primary voltage Secondary voltage Impossible to say Neither None of these Primary voltage Secondary voltage Impossible to say 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 None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter None of these Voltmeter Ohmmeter Ammeter Wattmeter None of these Voltmeter Ohmmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 2.02 A None of these 0.41666666666667 0.955 A 0.02 A 2.02 A None of these 0.41666666666667 0.955 A 0.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm None of these 1 k Ohm 2 k Ohm 10 k Ohm 20 k Ohm None of these 1 k Ohm 2 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP