Electronic Principles A device that converts light energy to electrical energy is called a: photodiode thermocouple photo transistor None of these solar cell photodiode thermocouple photo transistor None of these solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery an insulator None of these a piece of copper wire a conductor a battery an insulator None of these a piece of copper wire a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W None of these 20 W 200 W 100 W 1000 W None of these 20 W 200 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Regulate voltage Emit light Rectify line voltage None of these Amplify weak signals Regulate voltage Emit light Rectify line voltage None of these Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Strong Impossible to say Neutral Weak None of these Strong Impossible to say Neutral Weak ANSWER DOWNLOAD EXAMIANS APP
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