OnlineCBT Logo OnlineCBT
⚲
हिन्दी
OnlineCBT Logo OnlineCBT
⚲

Physics · PYQ NEET UG 2019(1)

हिन्दी

In which of the following devices, the eddy current effect is not used?

  1. A
    electromagnet
  2. B
    electric heater
  3. C
    induction furnace
  4. D
    magnetic braking in train
View Answer & Solution

Correct answer · Option B

electric heater

Explanation

Electric heater works on Joule heating effect of electric current, not on eddy currents. Induction furnaces, magnetic brakes, and electromagnets utilize eddy currents.

Related questions

The total energy of an electron in an atom in an orbit is \( -3.4\text{ eV} \). Its kinetic and potential energies are, respectively→An electron is accelerated through a potential difference of \( 10,000\text{ V} \). Its de Broglie wavelength is, (nearly) (\( m_e = 9 \times 10^{-31}\text{ kg} \))→Increase in temperature of a gas filled in a container would lead to:→Two point charges A and B, having charges \( +Q \) and \( -Q \) respectively, are placed at certain distance apart and force acting between them is \( F \). If \( 25\% \) charge of A is transferred to B, then force between the charges becomes:→
OnlineCBT

Our mission is "To educate students and help them excel in competitive exam preparation to the best of their potential. To impart good values in students and develop their overall exam readiness."

Useful Link
Important Pages
Courses & Practice
Contact
Address

Plot No 10, Dholigumti, Panditpura Road, Bandikui, Dausa(Raj) 303313

Contact

+91 7877547686

 E-mail

onlinecbtportal@gmail.com

 Helpline Number

+91 7877547686
Share
Click To Download
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

Terms of Use | Privacy Policy | Cookie Policy | Disclaimer | Editorial Policy | Fact Check | Corrections | DMCA | Ad Choices

Copyright © 2026 - OnlineCBT.in. All Rights Reserved.

WhatsApp Chat