
5. a long wire carrying current 100A is perpendicular to the magnetic field lines of a...
A long, straight wire carrying a current of 305 A is placed in a uniform magnetic field that has a magnitude of 6.78 × 10-3 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero. Locate this point by specifying its perpendicular distance from the wire.
A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in a uniform magnetic field of magnitude 2.6 mT that is parallel to the plane of the paper and points down. At the distance 1.0 cm to the right of the wire, the total magnetic field is zero. What is the magnitude of the current in the wire if the zero field point is 0.4 cm to the left of the wire?
A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in a uniform magnetic field of magnitude 3.0 mT that is parallel to the plane of the paper and points down. At the distance 1.0 cm to the right of the wire, the total magnetic field is zero. 1. What is the magnitude of the current in the wire if the zero field point is 0.4 cm to the left of the wire? Express your...
A current-carrying wire of length 52.0 cm is positioned perpendicular to a uniform magnetic field. If the current is 15.0 A and it is determined that there is a magnetic force of 2.3 N on the wire due to the interaction of the current and field, what is the magnitude of the magnetic field? A. 0.52 T OB. 0.46 T: C.0.38 T, OD.0.29 T: E.0.18 T: OF. 0.12 T.
a) A wire carrying a current I is perpendicular to a magnetic field of strength B. Assuming a fixed length of wire, which of the following changes will result in decreasing the force on the wire by a factor of two? Select all correct answers - Decreas the current in th e wire to I/2 - Decrease the field strength to B/2 - Decrease the angle from 90 to 45 degrees - Decrease the angle form 90 to 30 degrees...
At what distance (in mm) from a long, straight wire carrying a current of 20 A will the magnitude of the magnetic field be 1.3 mT?
How does the magnitude of magnetic field around a long straught current carrying wire of radius R depend on radial distance r R from the long anis OF wire ? Assuming that the current is steady and uniformly distrbule within v the wire, How does, the field magnitude depera on the radial distance rar from the wire axis
How does the magnitude of the magnetic field around a long straight current-carrying wire of radius R depend on radial distance r > R from the long axis of the wire? Assuming that the current is steady and uniformly distributed within the wires, how does the field magnitude depend on the radial distance r < R from the wire axis?
a) Draw as well as you can the magnetic field lines of a long current carrying wire that carries current upwards. b) What is the direction of the magnetic field on the left of the wire?
3. a) Describe Ampere's Law for a long straight wire carrying a current, and Faraday's (5 marks) b) A circular loop of area 0.10m2, is perpendicular to a unifom magnetic field, B. The Law of induction, and Lenz's Rule for a loop of wire in a magnetic field. loop contains a resistor (i) What is the EMF across the resistor where the magnitude of the magnetic field varies with time according to B = 0.10-0.04t, with B in teslas and...