Q.

In a half-wave rectifier, the load current flows for 
 

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a

the complete cycle of the input signal 
 

b

more than half-cycle but less than the complete cycle of the input signal. 
 

c

less than half cycle of the input signal. 
 

d

only for every half cycle of the input signal. 
 

answer is D.

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Detailed Solution

  • A half-wave rectifier is a component that only allows one half of the waveform of an AC voltage to transmit, blocking the other half. 
  • It only requires one diode to form and is used to convert AC voltage to DC voltage. 
  • The output power (DC) to input power ratio of a rectifier is known as its efficiency (AC). It is based on the resistance under load and under a forward biassed situation.

Hence the correct answer is only for every half cycle of the input signal. 

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