Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Ammeter Wattmeter Voltmeter Ohmmeter None of these Ammeter Wattmeter Voltmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? 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 Only those produced by thermal energy Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Amplify weak signals Emit light Regulate voltage Rectify line voltage None of these Amplify weak signals Emit light Regulate voltage Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or less None of these 20 k Ohm or more 200 k Ohm or more 20 km or less 200 k Ohm or less None of these 20 k Ohm or more 200 k Ohm or more 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at infinity lower end of the load line upper end of the load line None of these middle of the load line infinity lower end of the load line upper end of the load line None of these middle of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere off the load line up None of these down nowhere off the load line up None of these down ANSWER DOWNLOAD EXAMIANS APP