A solenoid of length l meter has self-inductance L henry. If number of turns are doubled, its self-inductance
A
Remains same
B
Becomes 2L henry
C
Becomes 4L henry
D
Becomes 
henry
henry
Text Solution
Verified by ExpertsThe correct answer is:
C
The self-inductance (L) of a coil having 
number of turns is given by
Given, 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The current in a coil changes from 4 ampere to zero in 0.1 s. If the average e.m.f. induced is 100 …
If in a coil rate of change of area is second and current become 1 amp from 2 amp in . If magnitu…
An e.m.f. of 12 volt is produced in a coil when the current in it changes at the rate of 45 amp/min…
An average induced e.m.f. of 1V appears in a coil when the current in it is changed from 10A in one…
If a change in current of 0.01 A in one coil produces a change in magnetic flux in the other coil,…
Two coils A and B having turns 300 and 600 respectively are placed near each other, on passing a cu…