Power diodes are generally Silicon diodes Germanium diodes None of these Either of the above TRUE ANSWER : ? YOUR ANSWER : ?
At room temperature the current in an intrinsic semiconductor is due to Ions Holes Holes and electrons Electrons TRUE ANSWER : ? YOUR ANSWER : ?
The forbidden energy gap between the valence band and conduction band will be least in case of Insulators All of these Semiconductors Metals TRUE ANSWER : ? YOUR ANSWER : ?
The most commonly used semiconductor material is None of these Germanium Silicon Mixture of silicon and germanium TRUE ANSWER : ? YOUR ANSWER : ?
In the sale of diamonds the unit of weight is carat. One carat is equal to 200 mg 150 mg 500 mg 100 mg TRUE ANSWER : ? YOUR ANSWER : ?
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface. True False TRUE ANSWER : ? YOUR ANSWER : ?
In which of these is reverse recovery time nearly zero? Zener diode Tunnel diode Schottky diode PIN diode TRUE ANSWER : ? YOUR ANSWER : ?
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction 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 TRUE ANSWER : ? YOUR ANSWER : ?
The sensitivity of human eyes is maximum at Violet portion of spectrum Red portion of spectrum Green portion of spectrum White portion of spectrum TRUE ANSWER : ? YOUR ANSWER : ?
In a half wave rectifier, the load current flows 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 TRUE ANSWER : ? YOUR ANSWER : ?