166. The dc output of a half-wave rectifier is ............ that of equivalent full-wave rectifier.

1. 1. half

   
   
   

   2. 0.318

   
   
   

   3. 0.636

   
   
   

   4. 0.707

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

167. Transformer is ............. in a full-wave rectifier.

1. 1. not essential

   
   
   

   2. may be used or may not

   
   
   

   3. essential

   
   
   

   4. need not be used

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

---

---

168. A full-wave rectifier is ............ efficient than that of a half-wave rectifier.

1. 1. twice

   
   
   

   2. half

   
   
   

   3. same

   
   
   

   4. one and a half

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

---

169. If Vm is the peak value of an applied voltage in a halfwave rectifier with a large capacitor across the load, then the peak inverse voltage will be:

1. 1. V_m/2

   
   
   

   2. V_m

   
   
   

   3. √ 2V_m

   
   
   

   4. 2 V_m

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

---

---

170. As compared to a full-wave rectifier using two diodes, the four diode bridge rectifier has the dominant advantage of:

1. 1. higher current carrying capacity

   
   
   

   2. lower peak inverse voltage requirement

   
   
   

   3. lower ripple factor

   
   
   

   4. higher efficiency

   
   
   

---

1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

---