Electronic Principles A device that converts chemical energy to electrical energy is called a: None of these thermocouple electric device solar cell chemical cell None of these thermocouple electric device solar cell chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 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 greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance None of these The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is less than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V None of these 20 V 0.7 V 0.8 V None of these 20 V 0.7 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? None of these Electrons, protons, and ions Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons None of these Electrons, protons, and ions Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons 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? 0.3 A None of these 0.4 A 0.6 A 0.2 A 0.3 A None of these 0.4 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP