Basic Electrical Mcqs

                                         Diode

Q1. A crystal diode has ………

1.one pn junction

2 two pn junctions

3.three pn junctions

4.none of the above

Answer : 1

Q2. A crystal diode has forward resistance of the order of ……………

1.kΩ

2.Ω

3.MΩ

4.none of the above

Answer : 2

Q3. If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is ………….. biased.

1.forward

2.reverse

3.either forward or reverse

4.none of the above

Answer : 1

Q.4. A crystal diode is used as ……………

1.an amplifier

2.a rectifier

3.an oscillator

4.a voltage regulator

Answer : 2

Q5. If the temperature of a crystal diode increases, then leakage current ………..

1.remains the same

2.decreases

3.increases

4.becomes zero

Answer :3