Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter None of these Wattmeter Ammeter Ohmmeter Voltmeter None of these Wattmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RC circuit None of these parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RL circuit parallel RC circuit None of these parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RL circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RL circuit series RC circuit series RLC circuit operated above its resonant frequency None of these purely resistive circuit series RL circuit series RC circuit series RLC circuit operated above its resonant frequency None of these 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? None of these 3.2 mA 3.75 mA 0.05 mA 13 mA None of these 3.2 mA 3.75 mA 0.05 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero None of these The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 300 mA 200 mA 7.8 mA 208 mA None of these 300 mA 200 mA 7.8 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP