Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy None of these Mechanical energy Electronical energy Solar energy Chemical energy None of these Mechanical energy Electronical energy Solar energy 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 Doping Free electrons None of these Valence electrons Thermal energy Doping Free electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 10.738 1.5 0.707 None of these 0.575 10.738 1.5 0.707 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter None of these Voltmeter Ammeter Ohmmeter Wattmeter None of these Voltmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A diamagnetic material None of these A paramagnetic material A feiTomagnetic material All of these A diamagnetic material None of these A paramagnetic material A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: None of these series RL circuit purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit None of these series RL circuit purely resistive circuit series RLC circuit operated above its resonant frequency series RC circuit ANSWER DOWNLOAD EXAMIANS APP
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