Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A current I = 0.005859 A flows through a wire. Find the magnetic field B at a perpendicular distance r = 0.0929 m from the wire.

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A 5824 turn coil carries a current I and has radius R =0.03696 m. If the magnetic field at the center of the coil is B =0.000122 Tesla, determine the magnitude of the current.

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

An N = 36 turn circular coil of radius r = 0.0005579 m carries a current I = 0.006765 A. The coil s normal makes an angle 0 =46.53 % with respect to a uniform magnetic field of magnitude B. The coil experiences a torque r =0.0008442 N m. Find B.

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

Why does a compass needle inmost places not point due north?

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A length of copper wire A B rests across a pair of parallel copper wires that are connected to a battery through a switch. The arrangement is placed between the poles of a magnet and the switch is closed. In what direction does the wire A B move?

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A velocity selector is supposed to select things traveling at 100 m/s. The separation between the plates that produce the electric field is 0.25 m. The magnetic field is 0.02 T.

a) What voltage is required across the plates to make the velocity selector work as desired?

b) What happens to things traveling slower?

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

The solenoid has 1250 turns of wire carrying a current of 12 A. It is a wound as shown in the diagram.

a) What is the magnetic field at the center of the solenoid?

b) Which end of the solenoid is the south end? Why?

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A pair of long parallel wires carry current in opposite directions. Wire 1 carries 4 A as shown. Calculate the size and direction of the force on wire 2 due to wire 1. Assume a side by side length of 3 m, and a separation of 0.1 m.Start from the two current carrying wires and show all steps.

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

Two long parrallel power lines are separated by a sistance of 4 meters. They each carry a current of 10 A, but in opposite directions. what is the force on a 1 meter section of the wires?

Physics Magnetism,Magnetic Effects Of Current Level: Misc Level

A cicrular coil of wire has a diameter of 20. 0 cm and contains 12 loops. The current in each loop is 2.5 A and the coil is placed in a 1.8 T External magnetic field. Determine the maximum torque exerted on the coil by the field.