Electronic Principles What is the smallest number of polarities required for current flow? 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 Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 26.6 degree 90 degree None of these 0 degree 180 degree 26.6 degree 90 degree None of these 0 degree 180 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? None of these Primary voltage Secondary voltage Neither Impossible to say None of these Primary voltage Secondary voltage Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current None of these is contant varies enormously varies slightly equals the collector current divided by the base current None of these is contant varies enormously varies slightly ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these has no effect on the current through the inductors cuts the current through the inductors one-half doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: cuts the total current by one-half has no effect on the total circuit current doubles the amount of total current thrice the amount of total current None of these cuts the total current by one-half has no effect on the total circuit current doubles the amount of total current thrice the amount of total current None of these ANSWER DOWNLOAD EXAMIANS APP
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