A solenoid consists of 1,620 loops tightly wound around a cylinder with a radius of 2 cm and a length of 18 cm. If 0.15 Amps run through the solenoid, what is the magnetic field at the center?
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A solenoid consists of 1,620 loops tightly wound around a cylinder with a radius of 2 cm and a length of 18 cm. If 0.15 Amps run through the solenoid, what is the magnetic field at the center?
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- A solenoid has 7,635 turns, a length of 74.1 mm, and a radius of 2.77 mm. What is the strength of the magnetic field at the center of the solenoid if it carries a current of 865 amps?In an electric motor, a coil with 100 turns of radius 2.0 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.20 T. When the current through the coil is 50.0 mA, what is the maximum torque that the motor can deliver?Consider a long, closely wound solenoid with 10,000 turns per meter. What current, in amperes, is needed in the solenoid to produce a magnetic field inside the solenoid, near its center, that is 104 times the Earth’s magnetic field of 4.8 × 10-5 T?
- The solenoid for an automobile power door lock is 2.5 cm longand has 190 turns of wire that carry 1.6 A of current. What is themagnitude of the magnetic field that it produces?A 0.25 m long solenoid contains 104loops of wire. What current will be necessary to produce a 0.5 T magnetic field inside the solenoid?A solenoid is made of 500 turns of wire, length = 12 cm, radius = 3 cm, and carries a current of 15 amps. What is the magnetic field in the center if it has an air core? What is the magnetic flux through the solenoid? What would be the magnetic field if the air core was replaced with an iron core with K= 2000?
- A 2278 turn solenoid is carrying a current of 18.2 A. The solenoid is 98.45 cm long. What is the magnitude of the magnetic field (in milli-tesla) through the center of the solenoid?The magnetic field inside an air-filled solenoid 37 cm long and 2.1 cm in diameter is 0.75 T. Approximately how much energy is stored in this field?A current loop of 2-m radius creates 5 T magnetic field at the center of the loop. A student makes a solenoid out of the same loop wire. He measures the length of the solenoid that is 37 cm and counts the number of turns (that is 76). Calculate the magnetic field at the center of the solenoid.