Electronic Principles A device that converts light energy to electrical energy is called a: photo transistor None of these solar cell photodiode thermocouple photo transistor None of these solar cell photodiode thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons None of these Is less than the number of holes Equals the number of holes Impossible to say Is greater than the number of holes None of these Is less than the number of holes Equals the number of holes Impossible to say Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these P = PR P = E2/R I = P/E R = E2/P None of these P = PR P = E2/R I = P/E R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 36 V None of these 60 V 0 V 40 V 36 V None of these 60 V 0 V 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? 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 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? 200 W None of these 100 W 20 W 1000 W 200 W None of these 100 W 20 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
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