Electronic Principles Holes act like: Positive charges None of these Crystals Atoms Negative charges Positive charges None of these Crystals Atoms Negative charges 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? 3.2 mA 3.75 mA None of these 13 mA 0.05 mA 3.2 mA 3.75 mA None of these 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V None of these 16 V 3 V 8 V 7.5 V None of these 16 V 3 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy Free electrons None of these Doping Valence electrons Thermal energy Free electrons None of these Doping ANSWER DOWNLOAD EXAMIANS APP
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