Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 17.5 mA None of these 1.75 mA 1750 mA 175 mA 17.5 mA None of these 1.75 mA 1750 mA 175 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that costs nothing An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron None of these An electron that has been freed from its parent atom An electron that costs nothing An electron that has no electrical charge 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? 200 mA 208 mA None of these 300 mA 7.8 mA 200 mA 208 mA None of these 300 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 45 degree 180 degree 75 degree None of these 30 degree 45 degree 180 degree 75 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery a piece of copper wire an insulator a conductor None of these a battery a piece of copper wire an insulator a conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Reluctance There is no valid comparison Retentivity Permeability Permeance Reluctance There is no valid comparison Retentivity Permeability ANSWER DOWNLOAD EXAMIANS APP