Electronic Devices and Circuits The forbidden energy gap between the valence band and conduction band will be least in case of All of these Insulators Semiconductors Metals All of these Insulators Semiconductors Metals 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 1.01 100 0.99 99 1.01 100 0.99 99 ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits An electron in the conduction band 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 Loses its charge easily 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 increases but the number of holes decreases The number of free electrons increases The number of free electrons and holes increase by the same amount 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 increases The number of free electrons and holes increase by the same amount The number of free electrons and holes increase but not by the same amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases. Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is false but R is true A is true but R is false Both A and R are true but R is not a correct explanation of A Both A and R are true and R is correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
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