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।

This question was previously asked in
ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 1
View all RRB ALP Papers >
  1. 80%
  2. 60%
  3. 70%
  4. 90%

Answer (Detailed Solution Below)

Option 1 : 80%
Free
General Science for All Railway Exams Mock Test
2.2 Lakh Users
20 Questions 20 Marks 15 Mins

Detailed Solution

Download Solution PDF

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%

Latest RRB ALP Updates

Last updated on Jul 19, 2025

-> The Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.

-> RRB has also postponed the examination of the RRB ALP CBAT Exam of Ranchi (Venue Code 33998 – iCube Digital Zone, Ranchi) due to some technical issues.

-> UGC NET Result Date 2025 Out at ugcnet.nta.ac.in

-> UPPSC RO ARO Admit Card 2025 has been released today on 17th July 2025

-> Rajasthan Police SI Vacancy 2025 has been released on 17th July 2025

-> HSSC CET Admit Card 2025 has been released @hssc.gov.in

-> There are total number of 45449 Applications received for RRB Ranchi against CEN No. 01/2024 (ALP).

-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.

-> CSIR NET City Intimation Slip 2025 has been released at csirnet.nta.ac.in

-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.

->The candidates must have passed 10th with ITI or Diploma to be eligible for this post. 

->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.

-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways. 

-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.

-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here

-> Bihar Police Driver Vacancy 2025 has been released @csbc.bihar.gov.in.

More Cells and Batteries Questions

Get Free Access Now
Hot Links: all teen patti master teen patti star apk teen patti king