निम्नलिखित परिपथ का समय स्थिरांक क्या है?

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LPSC (ISRO) Technician B (Electronic Mechanic): Previous Year Paper (Held on 23 Feb 2020)
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  1. 500 μ Sec
  2. 500 m Sec
  3. 3.14 m Sec
  4. 0.5 μ Sec

Answer (Detailed Solution Below)

Option 1 : 500 μ Sec
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संकल्पना:

समय स्थिरांक को परिपथ के लिए अंतिम मान (स्थिर-अवस्था मान) के 68% तक पहुंचने के लिए आवश्यक समय के रूप में परिभाषित किया गया है।

श्रृंखला RC परिपथ का समय स्थिरांक (τ) निम्न द्वारा दिया जाता है:

τ = RC

गणना:

दिया हुआ R = 2 kΩ और C = 0.25 μF

समय स्थिरांक (τ) होगा:

τ = 2 k × 0.25 μ = 0.5 msec

τ = 500 μ sec

एक श्रृंखला RL परिपथ के लिए समय स्थिरांक (τ) निम्न द्वारा दिया जाता है:

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