Electronic Principles The value of a capacitor can be made larger by: None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these increasing the area of the plates decreasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light None of these Regulate voltage Amplify weak signals Rectify line voltage Emit light None of these Regulate voltage Amplify weak signals Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? The total current is less than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current. is greater than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit 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 12 mA None of these 11 mA 14 mA 10 mA 12 mA None of these 11 mA 14 mA 10 mA ANSWER DOWNLOAD EXAMIANS APP