Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of Insulators Semiconductors All of these Metals Insulators Semiconductors All of these Metals 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 For less than fourth cycle For full cycle Only for the positive half cycle of the input signal Only for the negative half cycle of the input signal For less than fourth cycle For full cycle Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a bipolar transistor, the emitter base junction has Zero or reverse bias Zero bias Reverse bias Forward bias Zero or reverse bias Zero bias Reverse bias Forward bias 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 but not by the same amount The number of free electrons increases 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 and holes increase but not by the same amount The number of free electrons increases The number of free electrons and holes increase by the same amount The number of free electrons increases but the number of holes decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal amplification is required Signal frequency control is required Modulation of signal is required Rectification of the signal is required Signal amplification is required Signal frequency control is required Modulation of signal is required Rectification of the signal is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band Jumps to the top of the crystal Loses its charge easily Has higher energy than the electron in the valence band Has lower energy than the electron in the valence band Jumps to the top of the crystal Loses its charge easily Has higher energy than the electron in the valence band Has lower energy than the electron in the valence band ANSWER DOWNLOAD EXAMIANS APP
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