दिए गए परिपथ में धारा im' ज्ञात कीजिए।
 

F1 Vinanti Engineering 20.12.22 D7

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HPCL Engineer Electrical 01 Nov 2022 Official Paper
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  1. 4 A
  2. -1 A
  3. -4 A
  4. 1 A

Answer (Detailed Solution Below)

Option 2 : -1 A
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सही उत्तर विकल्प 2 है):(-1 A)

 

संकल्पना:

जब दो प्रतिरोधों R1 और Rको श्रेणी में जोड़ा जाता है तो कुल प्रतिरोध


Rt = R1 +R2

जब दो प्रतिरोधों R1 और Rको समानांतर में जोड़ा जाता है, तो कुल प्रतिरोध होगा
 


Rt = (\(1\over R_1\) + \(1\over R_2\))-1

धारा विभाजन विधि
 

R1 के माध्यम से धारा\(I_1=I×\frac{R_2}{R_1+R_2}\)

Rके माध्यम से धारा \(I_2=I×\frac{R_1}{R_1+R_2}\)

ओम के नियम से

V = IR 

जहाँ I धारा है प्रतिरोधक है

गणना:

दिया गया परिपथ है

F1 Vinanti Engineering 20.12.22 D7

Rके माध्यम से धारा \(I_2=I×\frac{R_1}{R_1+R_2}\)

= 5 × \(10\over 50\)

= 1 A

इसलिए धारा की दिशा विपरीत करने पर Im = -1 A
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