SaralUPSC
  • Home
  • Blogs
  • Prelims Questions
  • Mains Questions
  • Tests
Start Free Test
SaralUPSC

Saral Preparation Pvt. Ltd.

Delhi, India

support@saralupsc.com

Toll Free: 1800 000 0000

Office Hours: 10 AM – 7 PM (All 7 days)

Company

  • About Us
  • Careers
  • Contact Us
  • Media
  • Sitemap

Products

  • Test Series
  • Live Quizzes
  • Notes
  • Videos
  • Blog

Useful Links

  • Prelims Questions
  • Mains Questions
  • Free Tests
  • Sign Up
  • Login

Follow us

© 2026 Saral Preparation Pvt. Ltd.. All rights reserved.

  • Privacy
  • Terms
  • User Policy
  1. Home
  2. /Prelims Questions
  3. /Miscellaneous
  4. /Question
Miscellaneous·2018·Easy

Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes

Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes

Options

  1. a.

    2R

  2. b.

    R/2

  3. c.

    5/4 R

    Correct answer
  4. d.

    3/4 R

Share

  • Share on X
  • Share on WhatsApp
  • Share on LinkedIn

Related prelims questions

  • For election to the Lok Sabha, a nomination paper can be filed by

    Miscellaneous · Easy

  • In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a

    Miscellaneous · Easy

  • Which among the following events happened earliest ?

    Miscellaneous · Easy

  • An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?

    Miscellaneous · Easy