FlipStyle1308
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Here's the problem I am solving:
The current in a solenoid with 22 turns per centimeter is 0.50 A. The solenoid has a radius of 1.5 cm. A long, straight wire runs along the axis of the solenoid, carrying a current of 31 A. Find the magnitude of the net magnetic field a radial distance of 0.91 cm from the straight wire.
What I did was:
B = square root (Bw² + Bs²)
= square root [(μoIw/2πr)² + (μonIs)²]
= μo x square root [(Iw²/4π²r²) + (n²Is²)]
= (4π x 10^-7 Tm/A) x square root[(31A²/4π²(0.0091m)²) + (22cm^-1)²(100cm/1m)²(0.50A)²]
Can I get a confirmation that the answer is 1.54 mT? Thanks.
The current in a solenoid with 22 turns per centimeter is 0.50 A. The solenoid has a radius of 1.5 cm. A long, straight wire runs along the axis of the solenoid, carrying a current of 31 A. Find the magnitude of the net magnetic field a radial distance of 0.91 cm from the straight wire.
What I did was:
B = square root (Bw² + Bs²)
= square root [(μoIw/2πr)² + (μonIs)²]
= μo x square root [(Iw²/4π²r²) + (n²Is²)]
= (4π x 10^-7 Tm/A) x square root[(31A²/4π²(0.0091m)²) + (22cm^-1)²(100cm/1m)²(0.50A)²]
Can I get a confirmation that the answer is 1.54 mT? Thanks.
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