A very long solenoid with tightly wound coils has8.00 * 10^3 turns of wire per meter of length. What must the current bein the solenoid in order for the field inside the solenoid to have magnitude0.0320 T?
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A very long solenoid with tightly wound coils has
8.00 * 10^3 turns of wire per meter of length. What must the current be
in the solenoid in order for the field inside the solenoid to have magnitude
0.0320 T?
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- A long closely wound solenoid with a magnetic field of 0.0380 T draws a current of 9.0 A. What number of turns must the solenoid have?The wire is tightly wrapped around a wooden core solenoid of length 18 cm to produce a magnetic field 2.0 T at the center of the solenoid. The solenoid is now stretched to 29 cm by spreading out each winding (i.e. less tightly wrapped), but keeping the radius of the solenoid fixed. What is the magnetic field strength at the center of the solenoid now? O 15 T O 1.2 T O 2.0T O 3.2 TYou wish to construct a solenoid with a diameter of 2.00 cm that will produce a magnetic field of 6.20 × 10¬2 T at its center when a current of 14.0 A is passing through the coils. You want the resistance of the coil wire to be 5.60 . The resistivity of the wire used is 1.70 x 10-8 N:m (at 20.0°C), and you are using a wire that has a cross sectional area of 3.14 × 10¬8 m². (Note that this solenoid may not necessarily be so tightly wound that the adjacent loops of wire will touch each other. Nonetheless, you may assume that it behaves like an ideal solenoid.) Determine the following. (a) number of turns needed on the solenoid turns (b) length of the solenoid
- The magnetic field inside an air-filled solenoid 40.0cm long and 3.00cm in diameter is 0.707 T. Approximately how much energy is stored in this field?A solenoid is wound with 2300 turns per meter. When the current is 4.8 A, what is the magnetic field within the solenoid? Treat the solenoid as though it is infinitely long.PLEASE ANSWER BOTH 1. It is desired to construct a solenoid that will have a resistance of 4.80 Ω (at 20°C) and produce a magnetic field of 4.00 ✕ 10−2 T at its center when it carries a current of 4.35 A. The solenoid is to be constructed from copper wire having a diameter of 0.500 mm. If the radius of the solenoid is to be 1.00 cm, determine the following. (The resistivity of copper at 20°C is 1.7 ✕ 10−8 Ω · m.) (a) the number of turns of wire needed to build the solenoid. _______ turns (b) the length the solenoid should have ________ cm 2. A wire with a weight per unit length of 0.077 N/m is suspended directly above a second wire. The top wire carries a current of 29.8 A and the bottom wire carries a current of 59.2 A. Find the distance of separation between the wires so that the top wire will be held in place by magnetic repulsion. _________ mm
- In a solenoid in vacuum of length l = 10 cm with 2052 turns per meter the current creates the field B = 70 µT. What will be the value of the current if the solenoid is placed in an external uniform magnetic field Bext = 35 µT with field lines exactly opposite to the field produced by the solenoid? Assume µo = 4Tt × 10¬7 H/m and give your answer in milli-amperes (mA).For a solenoid in vacuum of length l = 10 cm with 10* turns per meter calculate the value of the current if the solenoid is placed in an external uniform magnetic field Bext = 35 µT with field lines exactly opposite to the field produced by the solenoid. Take vacuum permeability Ho = 4x x 10-7 H/m. Provide your answer in SI units. Answer:Can you help with subquestions 9a and 9b 9a. A very long solenoid with a circular cross section and radius r= 5.10 cm with n= 1.10E+4 turns/m has a magnetic energy density uB= 6.60 mJ/m3. What is the current in the solenoid? 9b. What is the total energy stored in the solenoid if its length is 0.620 meters? (Neglect end effects.) This is not and will not be graded
- 8. An electromagnet is made by inserting a soft iron core into a solenoid. The solenoid has 1800 turns, radius 2.00 cm, and length 23.5 cm. When 2.00 A of current flows through the solenoid, the magnetic field inside the iron core has magnitude 0.920 T. What is the relative permeability κB of the iron core?A 59.0 cm -long solenoid 1.35 cm in diameter is to produce a field of 0.395 mT at its center. How much current should the solenoid carry if it has 790 turns of wire?What is the force on this wire assuming the solenoid's field points due east?