Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: ohm None of these volt ampere watt ohm None of these volt ampere watt ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 4 0.5 180 None of these 0.25 4 0.5 180 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius 0.7V None of these 1 V 0.3V 2 m V per degree Celsius 0.7V None of these 1 V 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 16 V 8 V 15 V 7.5 V None of these 16 V 8 V 15 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP