Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter None of these Ohmmeter Voltmeter Ammeter Wattmeter None of these Ohmmeter Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? generator chemical cell None of these solar cell thermocouple generator chemical cell None of these solar cell thermocouple 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 off the load line up down nowhere None of these off the load line up down nowhere None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? stays the same any of the above decreases increases None of these stays the same any of the above decreases increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop commutator armature None of these brush loop commutator armature None of these brush ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 651 V None of these 707 V 700 V 208 V 651 V None of these 707 V 700 V ANSWER DOWNLOAD EXAMIANS APP
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