Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA 13 mA 3.2 mA 3.75 mA None of these 0.05 mA 13 mA 3.2 mA 3.75 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? None of these 1.75 mA 1750 mA 175 mA 17.5 mA None of these 1.75 mA 1750 mA 175 mA 17.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.6 A 0.3 A 0.4 A None of these 0.2 A 0.6 A 0.3 A 0.4 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells chemical cells solar cells None of these voltage generators piezoeletric cells chemical cells solar cells None of these voltage generators 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? There is no valid comparison Permeability Retentivity Reluctance Permeance There is no valid comparison Permeability Retentivity Reluctance Permeance ANSWER DOWNLOAD EXAMIANS APP
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