Electronic Principles Doubling the operating frequency of a capacitive circuit: has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that has a shortage of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit None of these The smallest particle of a substance that retains the properties of that substance A atom that has a shortage of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit None of these The smallest particle of a substance that retains the properties of that substance ANSWER DOWNLOAD EXAMIANS APP
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? 707 V 208 V None of these 700 V 651 V 707 V 208 V None of these 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance None of these The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total resistance of a parallel circuit is less than the value of the smallest resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the source voltage divided by total current None of these equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current None of these equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values less than the capacitance value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA 14 mA 12 mA None of these 11 mA 10 mA 14 mA 12 mA None of these 11 mA ANSWER DOWNLOAD EXAMIANS APP