Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V 208 V 707 V None of these 651 V 700 V 208 V 707 V None of these 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43891 3 43922 2 None of these 43891 3 43922 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.8 µA 10.3 µA 14.8 µA 7.75 µA None of these 7.8 µA 10.3 µA 14.8 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance None of these inductive reactance is equal to the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is None of these The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow None of these The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS