एक क्षारीय सेल को 12 घंटे के लिए 4A के स्थिर प्रवाह में डिस्चार्ज किया जाता है। इसकी चार्ज की मूल स्थिति को पुनःस्थापित करने के लिए 20 घंटे के लिए 3 A की एक स्थिर धारा की आवश्यकता है। ah दक्षता की गणना करें।

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
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  1. 80%
  2. 60%
  3. 70%
  4. 90%

Answer (Detailed Solution Below)

Option 1 : 80%
Free
General Science for All Railway Exams Mock Test
20 Qs. 20 Marks 15 Mins

Detailed Solution

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धारणा:

Ah दक्षता (η) = (आउटपुट ah)/(इनपुट ah)

गणना:

आउटपुट ah = 4 × 12 = 48 ah

इनपुट ah = 3 × 20 = 60 ah

Ah दक्षता (η) = 48/60 = 0.8

η% = 0.8 × 100 = 80%

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