3.- For a class demonstration, a teacher needs to create a solenoid using a copper wire with diameter d = 0.500 mm. The solenoid resistance should be 3.30 Q and the solenoid's magnetic field with a current of 3.70 A should be 6.10 10X-2 T. Suppose the resistance does not change significantly with temperature, and the solenoid radius is 1.00 cm. (Use p = 1.70 10X-80 · m for the resistivity of copper) (a) How many turns of wire does the teacher need? (b) Determine the required length (in cm) of the solenoid.
3.- For a class demonstration, a teacher needs to create a solenoid using a copper wire with diameter d = 0.500 mm. The solenoid resistance should be 3.30 Q and the solenoid's magnetic field with a current of 3.70 A should be 6.10 10X-2 T. Suppose the resistance does not change significantly with temperature, and the solenoid radius is 1.00 cm. (Use p = 1.70 10X-80 · m for the resistivity of copper) (a) How many turns of wire does the teacher need? (b) Determine the required length (in cm) of the solenoid.
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Transcribed Image Text:3.- For a class demonstration, a teacher needs to create a
solenoid using a copper wire with diameter d = 0.500 mm.
The solenoid resistance should be 3.30 Q and the
solenoid's magnetic field with a current of 3.70 A should
be 6.10 10X-2 T. Suppose the resistance does not change
significantly with temperature, and the solenoid radius is
1.00 cm. (Use p = 1.70 10X-80 · m for the resistivity of
copper) (a) How many turns of wire does the teacher
need? (b) Determine the required length (in cm) of the
solenoid.
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