A solenoid of 1.5 m length and 2 cm radius possesses 10 turns per cm. A current of 5A
is flowing through it. The magnetic field induction inside solenoid is
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Explanation:
A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length. A current of 5 A falls through it. The magnetic field at the axis inside the solenoid is. ∴B=4π×10-7×1000×5=2π×10-3T.
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