Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

This question belongs to Electronics And Communications Engineering Electromagnetic Induction

Electromagnetic Induction

?

The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

A) 3 mH B) 12 mH C) 24 mH D) 48 mH

Answer & Solution

Correct Answer: Option A

Let's discuss the solution. Join the discussion

Question posted by Examveda

Community

Join the Discussion

2 Comments

Join the discussion

Login to post a comment or share your explanation.

Awais Ahmed 2 years ago

Inductance= (relative permeability * Number of turns Sq. * Area)/ Length

Engr Farman 6 years ago

L=uNsq .A/l

Keep Learning

The core of a coil has a length of 200 mm...

The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

Join the Discussion

Related Questions on Electromagnetic Induction