Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 None of these 85 9 6 81 None of these 85 9 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Gained a proton Lost an electron Gained an electron None of these Lost a proton Gained a proton Lost an electron Gained an electron None of these Lost a proton ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Negative charges Positive charges Atoms Crystals None of these Negative charges Positive charges Atoms Crystals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode photo transistor thermocouple None of these solar cell photodiode photo transistor thermocouple None of these solar cell ANSWER DOWNLOAD EXAMIANS APP