Download
App
Academic Resource
Aptitude
Data Interpretation
Verbal Reasoning
Non Verbal Reasoning
Verbal Ability
Programming
General Knowledge
Puzzle
Engineering
Computer Engineering
Electronics and Communication
Electrical Engineering
Mechanical Engineering
Civil Engineering
Biotechnology
Architecture & Planning
Online Test
Aptitude Test
Data Interpretation Test
Verbal Reasoning Test
Non Verbal Reasoning Test
Verbal Ability Test
Exams
More
Full Forms
हिंदी
Home
»
Electric Circuits
»
Electric circuits miscellaneous
» Question
Electric circuits miscellaneous
Easy Questions
Moderate Questions
Difficult Questions
Electric Circuits
Electric circuits miscellaneous
At a certain current, the energy stored in iron cored coil is 1000 J and its copper loss is 2000 W. The time constant (in seconds) of the coil is_____
0
1
2
3
Correct Option:
B
Time constant, T =
L
=
I
2
L
=
2 × 1000
= 1
R
I
2
R
2000
Previous Question
Next Question
Your comments will be displayed only after manual approval.
Post your Comment
