3.- For a class demonstration, a teacher needs to create asolenoid using a copper wire with diameter d = 0.500 mm.The solenoid resistance should be 3.30 Q and thesolenoid's magnetic field with a current of 3.70 A shouldbe 6.10 10X-2 T. Suppose the resistance does not changesignificantly with temperature, and the solenoid radius is1.00 cm. (Use p = 1.70 10X-80 · m for the resistivity ofcopper) (a) How many turns of wire does the teacherneed? (b) Determine the required length (in cm) of thesolenoid.

Given: The diameter of the copper wire is, D=0.500 mm. The resistance of the solenoid is, The…

Answered: 3.- For a class demonstration, a…

Similar questions

4. A copper rod(1.6 m) sits along conducting rails, the friction can be neglected. The rails are in series with a 4.00-2 resistor. A constant magnetic field of 2.20 T is pointing perpendicular out through the loop. 4.00 1.60 m Fapplied Ω Magnetic field is outward (•) (a) What force is required to move the bar to the right with a speed of 5.00 m/s? (b) At what rate is energy dissipated in the 4.00 Q resistor? www
7. A conducting loop has an area of 280 cm² and resistance 15 . It is perpendicular to a spatially uniform magnetic field and carries a 350 mA of induced current. At what rate is the magnetic field changing?
2. Suppose that a rectangular toroid has 2000 windings, h = 1 cm, an inner radius of R1 = 4 cm, and an outer radius of R2 = 6 cm. What is the current flowing through the toroid when the energy in its magnetic field is 2.0 x 10-6 J?
2. A slinky is stretched so that there is a gap of 0.95cm between each loop. The magnetic field at the center of the slinky is measured for a range of currents and a graph is plotted of B (in milli-Tesla) versus current I (in Amperes). The result is a straight line with a slope of 0.14 mT/A and an intercept of 0.024 mT. Determine the value of 4 from this result.
29. The length of the solenoid is 85.0cm and the cross-section is 17.0cm^2 ?, and 6.60A of current flows through the conductor of the solenoid with 1210 turns. (a) Find the energy density of the magnetic field inside the solenoid. (b) What is the total magnetic energy stored inside the solenoid? (Ignore edge effects.)
2. The current in a very long solenoid with radius a and n turns per unit length varies over time as i(t) = Ct². Concentric with the solenoid is a conducting ring of radius r. a) Write an expression for the potential difference induced in the ring. b) Write an expression for the magnitude of the electric field induced at an arbitrary point on the ring. c) Is the ring necessary for the induced electric field to exist? Radius = r Radius i(t) = Ct² -O V = V(t) = a
3. A zero-resistance rod of length 14.4 cm is being pushed along zero-resistance wires in a region where a uniform magnetic field of strength 2.00 T is directed out of the page as shown. If the wires and rod complete a circuit through a 2.90 N resistor then what velocity will the rod maintain if it is subjected to a constant pushing force of 22.0 N? Zero-resistance wires Push