Question
Medium
Solving time: 3 mins
(a) Calculate the inductance of an air core solenoid containing 300 turns if the length of the solenoid is and its cross-sectional area is . (b) Calculate the self-induced emf in the solenoid if the current through it is decreasing at the rate of .
Text solutionVerified
(a) The inductance of a solenoid is given by
Substituting the values, we have
(b)
Here,
or
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Question Text | (a) Calculate the inductance of an air core solenoid containing 300 turns if the length of the solenoid is and its cross-sectional area is .
(b) Calculate the self-induced emf in the solenoid if the current through it is decreasing at the rate of . |
Updated On | Aug 5, 2022 |
Topic | Electromagnetic Induction |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 184 |
Avg. Video Duration | 7 min |