Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have None of these Gained an electron Lost a proton Gained a proton Lost an electron None of these Gained an electron Lost a proton Gained a proton Lost an electron 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 Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 90 Ohm - 110 ohm None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm 90 Ohm - 110 ohm None of these 98 Ohm - 100.1 ohm 99 Ohm - 102 ohm 90 Ohm - 101 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V 600 V None of these 4.73 24 V 0.4 V 600 V None of these 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Impossible to say Neutral Strong Weak None of these Impossible to say Neutral Strong Weak ANSWER DOWNLOAD EXAMIANS APP