Question

The figure below shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 23.0 cm long, has a radius r = 3.00 cm, and consists of 112 turns of wire. The length of each side of the square loop is ? = 1.50 cm. (a) The current in the solenoid is 4.00 A. What is the magnetic flux through the square loop (in T · m^2)? What is the formula for the magnetic field of a solenoid? What area should you use to calculate the flux through the loop? Be careful of unit conversions. T · m^2 (b) The current decreases from 4.00 A to zero in 4.00 s. What is the magnitude of the average induced emf in the square loop (in V) over this time? Can you use Faraday's law to find the average emf? What is the initial flux through the loop? What is the final flux? How much time does it take? V

          The figure below shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 23.0 cm long, has a radius r = 3.00 cm, and consists of 112 turns of wire. The length of each side of the square loop is ? = 1.50 cm.

(a) The current in the solenoid is 4.00 A. What is the magnetic flux through the square loop (in T · m^2)?
What is the formula for the magnetic field of a solenoid? What area should you use to calculate the flux through the loop? Be careful of unit conversions. T · m^2

(b) The current decreases from 4.00 A to zero in 4.00 s. What is the magnitude of the average induced emf in the square loop (in V) over this time?
Can you use Faraday's law to find the average emf? What is the initial flux through the loop? What is the final flux? How much time does it take? V

The figure below shows an end view of a single-turn square loop of metal wire in the center of and coaxial with a very long solenoid with a circular cross section. The solenoid is 23.0 cm long, has a radius r = 3.00 cm, and consists of 112 turns of wire. The length of each side of the square loop is ? = 1.50 cm.

(a) The current in the solenoid is 4.00 A. What is the magnetic flux through the square loop (in T · m^2)?
What is the formula for the magnetic field of a solenoid? What area should you use to calculate the flux through the loop? Be careful of unit conversions. T · m^2

(b) The current decreases from 4.00 A to zero in 4.00 s. What is the magnitude of the average induced emf in the square loop (in V) over this time?
Can you use Faraday's law to find the average emf? What is the initial flux through the loop? What is the final flux? How much time does it take? V

Added by Jorge C.

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