A wire having mass per unit length of 0.490 g/cm carries a 2.94 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?
magnitude | T |
direction | ---Select--- eastward westward southward northward |
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.215 T. If the kinetic energy of the electron is 4.60 ✕ 10−19 J, find the speed of the electron and the radius of the circular path.
(a) the speed of the electron
... m/s
(b) the radius of the circular path
.. μm
A wire having mass per unit length of 0.490 g/cm carries a 2.94 A current horizontally...
A wire having a mass per unit length of 0.480 g/cm carries a 2.50-A current horizontally to the south. (a) What is the direction of the minimum magnetic field needed to lift this wire vertically upward? EASTWARD (correct) (b) What is the magnitude of the minimum magnetic field needed to lift this wire vertically upward? __________ T
A wire having a mass per unit length of 0.500 g/cm carries a2.00-A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? I really need help with this. (will rate)
A straight vertical wire carries a current of 1.50 A downward in a region between the poles of a large electromagnet where the field strength is 0.575 T and is horizontal. A) What are the direction of the magnetic force on a 1.20 cm section of this wire if the magnetic-field direction is toward the east? (answer is either northward, southward, eastward, westward) B)What are the magnitude of the magnetic force on a 1.20 cm section of this wire if...
A wire having a mass per unit length of 0.540 g/cm carries a 1.60 -A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? ____?_____T
Consider the mass spectrometer shown schematically in the figure below. The magnitude of the electric field between the plates of the velocity selector is 2.60 x 103 V/m, and the magnetic field in both the velocity selector and the deflection chamber has a magnitude of 0.0400 T. Calculate the radius of the path for a singly charged ion having a mass m = 2.50 x 10-26 kg. Bo, in * * * * * x * * * * *...
A long straight wire runs up and down vertically and carries current downward. What is the direction of the magnetic field produced by this current at a location nearby and directly east of the wire? A) southward B) downward C) upward D) northward E) westward explain please as I am having trouble understanding
1. A straight vertical wire carries a current of 1.45 A downward in a region between the poles of a large electromagnet where the field strength is 0.585 T and is horizontal. a. What are the magnitude of the magnetic force on a 1.00 cm section of this wire if the magnetic-field direction is toward the east? b. What are the magnitude of the magnetic force on a 1.00 cm section of this wire if the magnetic-field direction is toward...
At a certain location, Earth has a magnetic field of 0.60 ✕ 10−4 T, pointing 75° below the horizontal in a north-south plane. A 11.0 m long straight wire carries a 14 A current. (a) If the current is directed horizontally toward the east, what are the magnitude and direction of the magnetic force on the wire? magnitude N direction ---Select---horizontal and directed due easthorizontal and directed due west15° above the horizontal in the northward direction15° below the horizontal in...
A physics instructor performs a demonstration where a current-carrying wire is made to levitate. The wire has a mass per unit length of 0.590 g/cm and carries a current of 2.06 A horizontally to the south. Find the magnitude and direction of the minimum magnetic field needed to lift this wire vertically upward. (Enter the magnitude in T.) Magnitude:? Direction:?
A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in the +x direction. If the wire is placed in a uniform magnetic flux density B, what should the direction and minimum magnitude of B be in order to magnetically lift the wire vertically upward? (The acceleration due to gravity is g- 9.8az m/s2) (20 points). 4. A horizontal wire with a mass per unit length of 0.4kg/m carries a current of 2A in...