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A solenoid of 1.5 metre length and 4.0 cm diameter possesses 10 turns per cm. A current of 5 ampere is

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A solenoid of 1.5 metre length and 4.0 cm diameter possesses 10 turns per cm. A current of 5 ampere is flowng through it. The magnetic induction at axis inside the solenoid is - 

(A) 2π × 10–3 T 

(B) 2π × 10–5 T 

(C) 2π × 10–2 gauss 

(D) 2π × 10–5 gauss

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1 Answer

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Best answer

Correct option (A) 2π × 10–3 T 

Explanation:

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