Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same 0oC None of these Increases Decreases Stays the same 0oC None of these Increases Decreases 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 = E2/R P = IE P = I2R None of these I = P/E P = E2/R P = IE P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases is minimum at the resonant frequency None of these is maximum at the resonant frequency always decreases as the applied frequency increases always increases as the applied frequency increases is minimum at the resonant frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.75 µA 7.8 µA None of these 14.8 µA 10.3 µA 7.75 µA 7.8 µA None of these 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? solar cell thermocouple generator None of these chemical cell solar cell thermocouple generator None of these chemical cell ANSWER DOWNLOAD EXAMIANS APP
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