CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A long solenoid with length l and a radius R consists of N turns of wire,Neglecting the end effects, find the self-inductance.

A
μ0N2πR2/l
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
μ0NπR2/l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
μ0N2πR3l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
μ0N3πR2l
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A μ0N2πR2/l
Magnetic field inside solenoid =B=μoNli where, Nl=number of turns per unit length

Now, emf induced= E=NBA

E=N×μoNli×πR2

E=μoN2πR2li=Li
where L=self inductance
Hence, L=μoN2πR2l

Answer-(A)

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Self and Mutual Inductance
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon