Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 4.73 None of these 600 V 24 V 0.4 V 4.73 None of these 600 V 24 V 0.4 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 None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are primary dry-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 1.5 None of these 0.575 0.707 10.738 1.5 None of these 0.575 0.707 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? solar cell generator chemical cell None of these thermocouple solar cell generator chemical cell None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Free electrons None of these Thermal energy Valence electrons Doping Free electrons None of these Thermal energy Valence electrons ANSWER DOWNLOAD EXAMIANS APP
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