(a)Is ordinary Zener diode (b)Is used to rectify strong signals (c)Conducts better in the forward than in the reverse directions (d)Is used to rectify weak signals whose peak amplitudes are between 0.1 V and 0.7 V
Answer
Answer : (d)
Explanation
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Special Diodes » Exercise - 274. A zener diode is always .......... connected. (a) reverse (b) forward (c) either reverse or forward (d) none of the above
Special Diodes » Exercise - 275. A zener diode utilises ........ characteristic for its operation. (a) forward (b) reverse (c) both forward and reverse (d) none of the above
Special Diodes » Exercise - 1 1. A Zener diode : (a) Is a battery under forward biased condition (b) Acts like battery when it breakdowns (c) Is a switch (d) Is a device having barrier potential more than 5V 2. At 25ºC, a Zener diode rates at 2 watts, its power rating at 50ºC will be : (a) Zero watts (b) Less than 1 watt (c) Greater than 2 watts (d) Less than 2 watts 3. Silicon is appreciably employed as a base material compared to germanium while manufacturing Zener diode since : (a) silicon is abundantly available (b) it is costlier (c) it has low current capability (d) it has high temperature capability 4. The capacitance of a varactor diode increases, when the reverse voltage across it is : (a) Decreased (b) Increased (c) Kept constant (d) None of the above 5. The main advantage of a point contact diode is that : (a) The ratio of forward current to reverse current is very high (b) Low input impedance (c) Its cut-in voltage is equal to zero (d) Its reverse resistance is infinite 6. Which one of the following is a Square law device ? (a) Zener diode (b) Crystal diode (c) Tunnel diode (d) Varactor diode 7. Match the given lists. List I…
Special Diodes » Exercise - 274. A zener diode is always .......... connected. (a) reverse (b) forward (c) either reverse or forward (d) none of the above