Electronic Principles Who invented the first junction transistor? Shockley Smith None of these Gomes Fisher Shockley Smith None of these Gomes Fisher 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? Permeability Reluctance Permeance There is no valid comparison Retentivity Permeability Reluctance Permeance There is no valid comparison Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 3890 Ohm None of these 1234 Ohm 692.2 Ohm 844.5 Ohm 3890 Ohm None of these 1234 Ohm 692.2 Ohm 844.5 Ohm 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? 208 mA 7.8 mA None of these 300 mA 200 mA 208 mA 7.8 mA None of these 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 300 µA None of these 250 µA 350 µA 0.25 µA 300 µA None of these 250 µA 350 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
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