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- 1(current)
Q. No.A long solenoid carrying a current produces a magnetic field \(B\) along its axis.
If the current is doubled and the number of turns per cm is halved, what will be the new value of the magnetic field?
1. \(B/2\)
2. \(B\)
3. \(2B\)
4. \(4B\)
Subtopic: Â Ampere Circuital Law |
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AIPMT - 2003
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