A long solenoid with 20 turns per cm is made to produce a magnetic field of 20 mT inside the solenoid, the necessary current will nearly be
Text Solution
Verified by ExpertsThe correct answer is:
A
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
When the number of turns in a toroidal coil is doubled, then the value of magnetic flux density wil…
The length of a solenoid is 0.1 m and its diameter is very small. A wire is wound over it in two la…
The magnetic field inside a long solenoid is -
The correct curve between the magnetic induction
An long solenoid has 200 turns per cm and carries a current of 2.5 amp. The magnetic field at its c…
In a coaxial, straight cable, the central conductor and the outer conductor carry equal currents in…