Electronic Devices and Circuits Fermi level is the amount of energy in which Must be given to an electron move to conduction band An electron can have at room temperature None of these A hole can have at room temperature Must be given to an electron move to conduction band An electron can have at room temperature None of these A hole can have at room temperature ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The depletion layer width of Junction Decreases with light doping Is independent of applied voltage Is increased under reverse bias Increases with heavy doping Decreases with light doping Is independent of applied voltage Is increased under reverse bias Increases with heavy doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at White portion of spectrum Red portion of spectrum Violet portion of spectrum Green portion of spectrum White portion of spectrum Red portion of spectrum Violet portion of spectrum Green portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Semiconductors Insulators All of these Metals Semiconductors Insulators All of these Metals ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An intrinsic silicon sample has 1 million free electrons at room temperature. As the temperature is increased The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons and holes increase but not by the same amount The number of free electrons increases but the number of holes decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For less than fourth cycle For full cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For less than fourth cycle For full cycle ANSWER DOWNLOAD EXAMIANS APP
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