Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf None of these Inductive reactance is an opposition to current flow in dc circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
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 current always has the same amplitude and phase for every part of the circuit 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 total current is equal to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V None of these 20 V 0.8 V 0.7 V None of these 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half doubles the amount of total current None of these has no effect on the total circuit current thrice the amount of total current cuts the total current by one-half doubles the amount of total current None of these has no effect on the total circuit current thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal None of these One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal None of these One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
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