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Typology: Exercises
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given data,
current , no. of turn per centimeter, length of solenoid, radius of solenoid,
Expalantion
since, inside the solenoid magnetic is uniform and constant so by using the ampere's law we know that magnetic only exists only the region of space inside the solenoid.
so, no of turns per meter of the solenoid is
here, the solenoid is of finite length.
n = 8 L = 2.0 m r = 10.0 cm
n ′
⇒ n ′= 800
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we know that magnetic field t the centre of finite solenoid is given by ,
so, magnetic field at the center of solenoid is
Magnetic field at the centre of solenoid is
μon ′ I 2
⋅ (cos θ + socθ )
⇒ B = μon ′ I cos θ
⇒ B = ( 4 π ⋅ 10−7) ⋅ (800) ⋅ (15 A ) ⋅ (
