Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is greater than the sum of the currents for the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RC circuit None of these series RL circuit series RLC circuit operated below its resonant frequency purely resistive circuit series RC circuit None of these series RL circuit series RLC circuit operated below its resonant frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: brush commutator None of these loop armature brush commutator None of these loop armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 20 km or less 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more None of these 20 km or less 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these cuts the total current by one-half has no effect on the total circuit current thrice the amount of total current doubles the amount of total current None of these cuts the total current by one-half has no effect on the total circuit current thrice the amount of total current doubles the amount of total current ANSWER DOWNLOAD EXAMIANS APP
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