Question: If the PIV rating of a diode is exceeded,_______________?
- 1. the diode conducts poorly
- 2. the diode is destroyed
- 3. the diode behaves like a zener diode
- 4. none of the above
Question: The most widely used rectifier is ________________?
- 1. half-wave rectifier
- 2. centre-tap full-wave rectifier
- 3. bridge full-wave rectifier
- 4. none of the above
Question: The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
- 1. one-half
- 2. the same as
- 3. twice
- 4. four times
Question: A 10 V power supply would use ____________ as filter capacitor?
- 1. paper capacitor
- 2. mica capacitor
- 3. electrolytic capacitor
- 4. air capacitor
Question: ____________ rectifier has the lowest forward resistance?
- 1. solid state
- 2. vacuum tube
- 3. gas tube
- 4. none of the above
Question: A zener diode is destroyed if it______________?
- 1. is forward biased
- 2. is reverse biased
- 3. carrier more than rated current
- 4. none of the above
Question: The doping level in a zener diode is______________ that of a crystal diode?
- 1. the same as
- 2. less than
- 3. more than
- 4. none of the above
Question: When a crystal diode is used as a rectifier, the most important consideration is ____________?
- 1. forward characteristic
- 2. doping level
- 3. reverse characteristic
- 4. PIC rating
Question: A zener diode is always_______________ connected?
- 1. reverse
- 2. forward
- 3. either reverse or forward
- 4. none of the above
Question: A zener diode has ________________?
- 1. one pn junction
- 2. two pn junctions
- 3. three pn junctions
- 4. none of the above