Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 100 V 120 V 180 V None of these 170 V 100 V 120 V 180 V None of these 170 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half None of these thrice the amount of total current doubles the amount of total current has no effect on the total circuit current cuts the total current by one-half None of these thrice the amount of total current doubles the amount of total current has no effect on the total circuit current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of currents entering and leaving a point is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 3 V None of these 7.5 V 8 V 16 V 3 V None of these 7.5 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.5 0.25 None of these 4 180 0.5 0.25 None of these 4 ANSWER DOWNLOAD EXAMIANS APP