A flat, circular loop has 23 turns. The radius of the loop is 10.5 cm and the current through the wire is 0.51 A. Determine the magnitude of the magnetic field at the center of the loop (in T).

A solenoid of length 0.866 m and radius 2.00 cm has 244 turns of wire. What is the magnitude of the magnetic field well inside the solenoid when there is a current of 4.00 A in the wire?

A long solenoid with n = 45 turns per centimeter and a radius of R = 19 cm carries a current of i = 35 mA. Find the magnetic field in the solenoid. The magnetci field, B0 =  Units             . If a straight conductor is positioned along the axis of the solenoid and carries a current of 99 A, what is the magnitude of the net magnetic field at the distance R/2 from the axis of the solenoid? The net magnetic field, BNet =  Units             .

same direction. If R1-12 cm and R2=5 cm, I,=10A and I2=20A, what is the magnetic field (in 106 T) at point P? The two long, parallel wires shown in the accompanying figure carry currents in the R2 Rs 1. 12 P.

A straight conductor carries a current of 20.0 A through a uniform 0.950-T magnetic field. The magnitude of the force on the conductor is 15.0 N and the angle between the current and the magnetic field is 55.0°. Calculate the length of the conductor.

A circular loop of diameter 14.7 cm is carrying a current of 3.8 A. What is the magnitude of the magnetic field at the center of the loop?

The magnitude of the magnetic flux through the surface of a circular plate is 2.50 10-5 T. m2 when it is placed in a region of uniform magnetic field that is oriented at 46.0° to the vertical. The radius of the plate is 8.50 cm. Determine the strength of the magnetic field.        mT?

A thin 1.50 m long copper rod in a uniformhorizontal magnetic field has a mass of 56.2g. When the rod carries a current of 0.241 Adirected perpendicular to the magnetic field,it floats in the magnetic field.The acceleration of gravity is 9.81 m/s2.What is the field strength of the magneticfield?Answer in units of T.

006 A solenoid 2.1 m long has a radius of 0.75 cm and 900 turns. It carries a current of 2.5 A. The permeability of free space is 4T X 10 T m/A. What is the approximate magnetic field on the axis of the solenoid? Answer in units of mT.

The figure below shows two very long straight wires (in cross section) that each carry a current of 4.55 A directly out of the page. Distance d₁ = 6.00 m and distance d₂ = 5.00 m. What is the magnitude of the net magnetic field at point P, which lies on a perpendicular bisector to the wires? Number 2.29e-7 Units T V H de P