Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? 2 -3 -6 None of these 2 -3 -6 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf 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 frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: doubles the amount of capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 7 doubles the amount of capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 2 1 3 None of these 4 2 1 3 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 55.86 A 18.2 mA 16.3 mA 55 A None of these 55.86 A 18.2 mA 16.3 mA 55 A ANSWER DOWNLOAD EXAMIANS APP