Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 38.74 V None of these 30.4 V 37.4 V 35.4 V 38.74 V None of these 30.4 V 37.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies enormously None of these is contant varies slightly equals the collector current divided by the base current varies enormously None of these is contant varies slightly equals the collector current divided by the base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields None of these a good conductor a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the emitter current collector current supply current base current None of these emitter current collector current supply current base current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 60 Ohm 754 Ohm None of these 30 Ohm 120 Ohm 60 Ohm 754 Ohm None of these 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP