Electronic Devices and Circuits An electron in the conduction band Has higher energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has lower energy than the electron in the valence band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Fermi level is the amount of energy in which None of these An electron can have at room temperature A hole can have at room temperature Must be given to an electron move to conduction band None of these An electron can have at room temperature A hole can have at room temperature Must be given to an electron move to conduction band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Highly doped semiconductor Either A or B Lightly doped semiconductor Intrinsic semiconductor Highly doped semiconductor Either A or B Lightly doped semiconductor Intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The sensitivity of human eyes is maximum at Red portion of spectrum Violet portion of spectrum White portion of spectrum Green portion of spectrum Red portion of spectrum Violet portion of spectrum White portion of spectrum Green portion of spectrum ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows Only for the positive half cycle of the input signal For less than fourth cycle Only for the negative half cycle of the input signal For full cycle Only for the positive half cycle of the input signal For less than fourth cycle Only for the negative half cycle of the input signal For full cycle 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 increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount The number of free electrons and holes increase by the same amount The number of free electrons increases The number of free electrons increases but the number of holes decreases The number of free electrons and holes increase but not by the same amount ANSWER DOWNLOAD EXAMIANS APP
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