Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 1 V None of these 0.3V 2 m V per degree Celsius 0.7V 1 V None of these 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage Neither Impossible to say None of these Primary voltage Secondary voltage Neither Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 4.73 24 V 0.4 V 600 V None of these 4.73 24 V 0.4 V 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 77.7 ohm 89.3 ohm 88.8 ohm None of these 224 ohm 77.7 ohm 89.3 ohm 88.8 ohm None of these 224 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? None of these 180 A 0.083333333333333 7200 A 0.5A None of these 180 A 0.083333333333333 7200 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet a temporary magnet None of these an artificial magnet a paramagnetic alloy a natural magnet a temporary magnet None of these an artificial magnet a paramagnetic alloy ANSWER DOWNLOAD EXAMIANS APP