Electronic Principles In a step-down transformer, which is larger? Impossible to say Primary voltage Neither Secondary voltage None of these Impossible to say Primary voltage Neither Secondary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals Atoms Positive charges Negative charges None of these Crystals Atoms Positive charges Negative charges None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly varies enormously equals the collector current divided by the base current is contant None of these varies slightly varies enormously equals the collector current divided by the base current is contant None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Rectify line voltage None of these Emit light Amplify weak signals Regulate voltage Rectify line voltage None of these Emit light Amplify weak signals Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 0.707 1.5 10.738 None of these 0.575 0.707 1.5 10.738 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.2 A 0.3 A 0.6 A None of these 0.4 A 0.2 A 0.3 A 0.6 A None of these ANSWER DOWNLOAD EXAMIANS APP