Question: A crystal diode utilises …………….. characteristic for rectification.

• 1. reverse
• 2. forward
• 3. forward or reverse
• 4. none of the above

Question: A zener diode is used as ______________?

• 1. an amplifier
• 2. a voltage regulator
• 3. a rectifier
• 4. a multivibrator

Question: The knee voltage of a crystal diode is approximately equal to ________________?

• 1. applied voltage
• 2. breakdown voltage
• 3. forward voltage
• 4. barrier potential

Question: When the crystal current diode current is large, the bias is ______________?

• 1. forward
• 2. inverse
• 3. poor
• 4. reverse

Question: If the temperature of a crystal diode increases, then leakage current ______________?

• 1. remains the same
• 2. decreases
• 3. increases
• 4. becomes zero

Question: If the doping level of a crystal diode is increased, the breakdown voltage__________________?

• 1. remains the same
• 2. is increased
• 3. is decreased
• 4. none of the above

Question: The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ______________?

• 1. 1 : 1
• 2. 100 : 1
• 3. 1000 : 1
• 4. 40,000 : 1

Question: A crystal diode has forward resistance of the order of ________________?

• 1. kΩ
• 2. Ω
• 3. MΩ
• 4. none of the above

Question: A crystal diode is used as______________?

• 1. an amplifier
• 2. a rectifier
• 3. an oscillator
• 4. a voltage regulator

Question: 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