Electronic Principles What is one important thing transistors do? Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these Regulate voltage Amplify weak signals Emit light Rectify line voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm None of these 690 Ohm less than 1 Ohm 1590 Ohm 312 Ohm None of these 690 Ohm less than 1 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons None of these many holes No holes a few free electrons and holes many free electrons None of these many holes No holes a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere down None of these off the load line up nowhere down None of these off the load line up 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 Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 10.17 V 20 V 0.17 V 18.8 V None of these 10.17 V 20 V 0.17 V 18.8 V ANSWER DOWNLOAD EXAMIANS APP
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