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 but the number of holes decreases 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 and holes increase by the same amount The number of free electrons increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase but not by the same amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 0.78 eV 2 eV 5 eV 10 eV 0.78 eV 2 eV 5 eV 10 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Loses its charge easily Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band Loses its charge easily Jumps to the top of the crystal Has lower energy than the electron in the valence band Has higher energy than the electron in the valence band ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is 99 100 1.01 0.99 99 100 1.01 0.99 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Frequency of incident radiation Both frequency and intensity of incident radiation None of these Intensity of incident radiation Frequency of incident radiation Both frequency and intensity of incident radiation None of these Intensity of incident radiation ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Light dependent resistors are Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor Intrinsic semiconductor Either A or B Highly doped semiconductor Lightly doped semiconductor ANSWER DOWNLOAD EXAMIANS APP
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