Electronic Principles Doubling the operating frequency of an inductive circuit: None of these has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance None of these has no effect on the inductive reactance multiplies the inductive reactance by 6.28 cuts the inductive reactance in half doubles the amount of inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf 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 None of these the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The current always has the same amplitude and phase for every part of the circuit 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 total current is greater than the sum of the currents for the resistance and capacitance None of these The current always has the same amplitude and phase for every part of the circuit 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 total current is greater than the sum of the currents for the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 30.4 V 35.4 V 37.4 V 38.74 V None of these 30.4 V 35.4 V 37.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Linear Bipolar Active None of these Nonlinear Linear Bipolar Active None of these Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons None of these Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes None of these Equals the number of holes Impossible to say Is less than the number of holes Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
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