Electronic Principles Molecule is A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points None of these A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? None of these 20 k Ohm 10 k Ohm 1 k Ohm 2 k Ohm None of these 20 k Ohm 10 k Ohm 1 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 180 degree 30 degree 75 degree 45 degree None of these 180 degree 30 degree 75 degree 45 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these An electron that costs nothing An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge None of these 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? 20 A 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 None of these 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 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 ANSWER DOWNLOAD EXAMIANS APP