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  • A solenoid with 7 turns per unit length is carrying a current of 2.5 A. What is the magnetic intensity inside the solenoidOption: 1 1750A/m

A solenoid with 7 turns per unit length is carrying a current of 2.5 A. What is the magnetic intensity inside the solenoid

Option: 1

1750A/m


Option: 2

1850 A/m


Option: 3

2001 A/m


Option: 4

1950 A/m 


Answers (1)

best_answer

Turns per unit length, n=7cm^{-1}=700m^{-1}

If  \mu be the permeability of the medium inside the solenoid then magnetic field, B =\mu n I

\therefore Magnetic intensity, H = \frac{B}{\mu}= nI = 700 \times 2.5=1750 Am^{-1}

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