Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell thermocouple None of these piezoelectric devices chemical cell solar cell thermocouple None of these piezoelectric devices chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? None of these Number of lines of force Reluctance Flux density Magnetomotive force None of these Number of lines of force Reluctance Flux density Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? 100 V and a series resistance of 10 k Ohm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 1000 V and a series resistance of 10 k Ohm 100 V and a series resistance of 10 k Ohm None of these 100 V and a parallel resistance of 10 k Ohm 1000 V and a parallel resistance of 10 kOhm 1000 V and a series resistance of 10 k Ohm 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? 0.4 A 0.2 A 0.3 A 0.6 A None of these 0.4 A 0.2 A 0.3 A 0.6 A None of these ANSWER DOWNLOAD EXAMIANS APP
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 None of these 3.75 mA 0.05 mA 13 mA 3.2 mA None of these 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? None of these I = P/E P = IE P = I2R P = E2/R None of these I = P/E P = IE P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
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