Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
+1 vote
59.1k views
in Physics by (51.7k points)
Under what conditions permanent electromagnet is obtained if a current carrying solenoid is used? Support your answer with the help of a labelled circuit diagram.

1 Answer

+1 vote
by (266k points)
selected by
 
Best answer

Hint— (i) The current through the solenoid should be direct current.
(ii) The rod inside is made of a magnetic material such as steel.

by (63.2k points)
The conditions to obtain permanent electromagnet if a current-carrying solenoid is used are-

1. The current through the solenoid should be direct current.

2. The magnetic material should be of high retentivity and should not lose it easily.

3. The rod inside is made of a magnetic material such as steel.

4. A soft iron core should be placed inside a solenoid.
by (20 points)
Nice explanation!!!

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...