Electronic Devices and Circuits When avalanche breakdown occurs covalent bonds are not affected. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is In arbitrary direction Normal to both current and magnetic field In the direction of current Antiparallel to magnetic field In arbitrary direction Normal to both current and magnetic field In the direction of current Antiparallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is An indirect band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor Direct band gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Wideband gap semiconductor Direct band gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Holes Electrons Holes and electrons Ions Holes Electrons Holes and electrons Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The amount of photoelectric emission current depends on Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation None of these Both frequency and intensity of incident radiation Intensity of incident radiation Frequency of incident radiation None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows 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 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 ANSWER DOWNLOAD EXAMIANS APP
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