Magnetic field due to currentMedium
Question
A long solenoid has 200 turns per cm and carries a current i. The magnetic field at its centre is 6.28 × 10-2 Weber/m2. Another long solenoid has 100 turns per cm and it carries a current i/3. The value of the magnetic field at its centre is
Options
A.1.05 × 10-4 Weber/m2
B.1.05 × 10-2 Weber/m2
C.1.05 × 10-5 Weber/m2
D.1.05 × 10-3 Weber/m2
= 1.05 × 10-2 w/m2More Magnetic field due to current Questions
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