Electronic Principles Doubling the operating frequency of a purely capacitive circuit: has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half None of these thrice the amount of total current has no effect on the total circuit current doubles the amount of total current cuts the total current by one-half None of these thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor Current leads the voltage through a resistor All of these Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Primary voltage Impossible to say Neither None of these Secondary voltage Primary voltage Impossible to say Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals None of these reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals None of these reduces the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
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