Electronic Devices and Circuits Silicon is not suitable for fabrication of light emitting diodes because it is An indirect band gap semiconductor Wideband gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor An indirect band gap semiconductor Wideband gap semiconductor Direct band gap semiconductor Narrowband gap semiconductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In which of these is reverse recovery time nearly zero? Zener diode Tunnel diode PIN diode Schottky diode Zener diode Tunnel diode PIN diode Schottky diode ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits When diodes are connected in series to increase voltage rating the peak inverse voltage per junction should not exceed one third the breakdown voltage should not exceed half the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage should not exceed one third the breakdown voltage should not exceed half the breakdown voltage should not exceed the breakdown voltage may be equal to or less than breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Power diodes are generally Either of the above Germanium diodes Silicon diodes None of these Either of the above Germanium diodes Silicon diodes None of these 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 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 Both A and R are true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Which of the following has highest resistivity? Air Paraffin wax Mica Mineral oil Air Paraffin wax Mica Mineral oil ANSWER DOWNLOAD EXAMIANS APP
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