Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal None of these Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals One - a negative terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth multiplies the value of inductance by two reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals increases 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 None of these has no effect on ac signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current None of these Same as the primary current Twice the primary current One-half the primary current No more than 10% less than the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the Open-load current Shorted-load current Thevenin current None of these Thevenin voltage Open-load current Shorted-load current Thevenin current None of these Thevenin voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values None of these ANSWER DOWNLOAD EXAMIANS APP
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