Question
Medium
Solving time: 3 mins
A closely wound, circular coil with radius has 800 turns. (a) What must the current in the coil be if the magnetic field at the centre of the coil is ? (b) At what distance from the centre of the coil, on the axis of the coil, is the magnetic field half its value at the centre?
Text solutionVerified
(a)
(b) given
(b) given
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Question Text | A closely wound, circular coil with radius has 800 turns.
(a) What must the current in the coil be if the magnetic field at the centre of the coil is ?
(b) At what distance from the centre of the coil, on the axis of the coil, is the magnetic field half its value at the centre? |
Topic | Moving Charges and Magnetism |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 54 |