v(t) = Vm sin (ωt) V के एक निवेशी संकेत के लिए, अर्ध दिष्टीकृत ज्या तरंग का औसत मान क्या है?

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MPPKVVCL Indore JE Electrical 21 August 2018 Official Paper
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  1. Vm2π
  2. 2Vmπ
  3. Vmπ
  4. Vm4π

Answer (Detailed Solution Below)

Option 3 : Vmπ
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अर्ध तरंग दिष्टकृत

qImage537

स्थिति 1: +ve अर्ध चक्र के दौरान

डायोड अग्र अभिनत है, इसलिए लघु-परिपथ किया गया है। 

Vo = Vs

स्थिति 2: -ve अर्ध चक्र के दौरान

डायोड पश्च अभिनत है, इसलिए खुला-परिपथ किया गया है।  

Vo = 0 

आउटपुट तरंगरूप नीचे दिखाया गया है:

qImage538

अर्ध-दिष्टकृत ज्या तरंग का औसत मान निम्न है:

Vo(avg)=12π0πVm sinωt dωt

Vo(avg)=Vm2π(1cosπ)

Vo(avg)=Vmπ

इसलिए, सही उत्तर विकल्प 3 है।

Mistake Points पूर्ण तरंग दिष्टकृत

qImage539

एक पूर्ण-दिष्टकृत ज्या तरंग का औसत मान निम्न है:

Vo(avg)=2Vmπ

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