Testwala logoTestwala
HomeMocksPracticePYQsDashboard
Testwala logoTestwala

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. Testwala is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 Testwala. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. RPSC RAS
  6. ›
  7. 2012
  8. ›
  9. Q84

RPSC RAS 2012 · Question 84 of 94

Dynamo is a Machine which is used for:

Science & Technology

  1. AConversion of High Voltage to low voltage
  2. BConversion of Low Voltage to high voltage
  3. CConversion of Electrical energy to Mechanical energy
  4. DConversion of Mechanical Energy to Electrical energyCorrect

Answer: D. Conversion of Mechanical Energy to Electrical energy

Explanation

Official RPSC answer key (2012): option 4. A dynamo converts mechanical energy into electrical energy.

Source: RPSC RAS Prelims 2012 (14-06-2012), answers per RPSC official answer key (released 18-08-2012) via solved-paper transcription

← Q83View full paper (94 questions)Q85 →

Practice the full RPSC RAS 2012 paper

Timed test with all 94 questions, just like the real exam.

Start test