Electronic Devices and Circuits Forbidden energy gap in germanium at 0 K is about 2 eV 0.78 eV 5 eV 10 eV 2 eV 0.78 eV 5 eV 10 eV ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The most commonly used semiconductor material is Mixture of silicon and germanium Silicon Germanium None of these Mixture of silicon and germanium Silicon Germanium None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits At room temperature the current in an intrinsic semiconductor is due to Electrons Holes Holes and electrons Ions Electrons Holes Holes and electrons Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which one of the following is not a characteristic of a ferroelectric material? Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant Electric dipole moment No hysteresis Ferroelectric characteristic only above the curie point High dielectric constant 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 full cycle Only for the negative half cycle of the input signal For less than fourth cycle Only for the positive half cycle of the input signal For full cycle Only for the negative half cycle of the input signal For less than fourth cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is Direct band gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor Direct band gap semiconductor Wideband gap semiconductor An indirect band gap semiconductor Narrowband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP