Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy Same number as free electrons None of these many less than the free electrons Only those produced by thermal energy Same number as free electrons None of these many less than the free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 50 Ohm or more 100 Ohm None of these 5 Ohm 6 Ohm 50 Ohm or more 100 Ohm None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 1750 mA 175 mA None of these 17.5 mA 1.75 mA 1750 mA 175 mA None of these 17.5 mA 1.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE P = I2R None of these P = E2/R I = P/E P = IE P = I2R None of these P = E2/R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet None of these an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative None of these from neutral to positive from negative to positive from right to left from positive to negative None of these from neutral to positive from negative to positive from right to left ANSWER DOWNLOAD EXAMIANS APP
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