A 20 cm wire is hanging in the air. It has a density of .3 grams...
A 20 cm wire is hanging in the air. It has a density of .3 grams per cm. How much current must pass through it in order for it to be suspended by a .5 t magnetic field? What is the direction of the magnetic field Needed to suspend the wire
Homework Answers
A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal...
A copper wire has diameter 0.180 mm and length 20.0 cm . It’s in a horizontal plane and carries a current of 2.05 A . The density of copper is 8920 kg/m3. A. Find the magnitude of the magnetic field needed to suspend the wire against gravity. B. Find the direction of the magnetic field needed to suspend the wire against gravity. Assume the current points east.
A wire with a linear mass density of 1.17 g/cm moves at a constant speed on...
A wire with a linear mass density of 1.17 g/cm moves at a constant speed on a horizontal surface and the coefficient of kinetic friction between the wire and the surface is 0.250. If the wire carries a current of 1.39 A westward and moves horizontally to the south, determine the magnitude and direction of the smallest magnetic field that can accomplish this. magnitude direction ---Select- As shown in the figure, a conducting rod with a linear mass density of...
A circular coil of wire with radius 4 cm and 20 turns is placed in a...
A circular coil of wire with radius 4 cm and 20 turns is placed in a uniform magnetic field of magnitude 0.3 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil...
Questions 1. A 10 cm wire carrying a current of 20 A is placed in a uniform magnetic field of 0.3 T. If the wire ma...
Questions 1. A 10 cm wire carrying a current of 20 A is placed in a uniform magnetic field of 0.3 T. If the wire makes an anel 40 with the vector of magnetic field, find the magnitude of the force on the wire. 2. Should you expect that a straight line go through the origin for each experiment? 3. What assumptions are made in each experiment about the magnetic field produced by the magnets? 4. Summarize the results of...
x x A straight section of wire has a mass of 1.0 grams and a length...
x x A straight section of wire has a mass of 1.0 grams and a length of 14 cm. The wire carries current across a uniform magnetic field as shown in the diagram The strength of the magnetic field is 0.05 T. Assume only magnetic and gravitational forces act on the wire and use a gravitational field strength near the earth of 10 N/kg. Measured in Amps, how strong must the current in the wire be to levitate the wire?...
5. A 20-cm diameter circular loop of wire has a resistance of 150.0 12. It is...
5. A 20-cm diameter circular loop of wire has a resistance of 150.0 12. It is initially in a 0.40-T magnetic field, with its plane perpendicular to the field B. but it is removed from the magnetic field to a region where there is no magnetic field in 100ms. (a) What is the induced current, (both magnitude and direction) [10] (b) What is the power dissipated in the process.
A 10 m long wire that is fixed (stationary) carries a current: I1 = 10 A...
A 10 m long wire that is fixed (stationary) carries a current:
I1 = 10 A to the right, as shown in the figure.
A much smaller wire of 10 grams and 2 cm in length, is placed
parallel to the long wire as shown in the figure. The geometric
center of the small wire is at the observation point with
coordinates: (0,-y0,0), where: 0 = 5 cm. Assuming that the magnetic
field felt by the small wire has an...
A 10 m long wire that is fixed (stationary) carries a current I1 = 10 A...
A 10 m long wire that is fixed (stationary) carries a current I1
= 10 A to the right, as shown in the figure.
a) Find an expression for the intensity of the electric field
generated by this long wire at the observation point with
coordinates (0, -y0,0) in terms of the current I1 and y0.
b) What is the direction of the magnetic field generated by this
wire? (Entering, leaving the page; right, left, up or down).
c) A...
QUESTION 27 A circular coil of wire with radius 3 cm and 50 turns is placed...
QUESTION 27 A circular coil of wire with radius 3 cm and 50 turns is placed in a uniform magnetic field of magnitude 0.4 T. The magnetic field is parallel to the area vector; l.e. perpendicular to the plane of the coll." a) What is the magnetic flux through the coll? b) The magnetic field is decreased to 0 in 0.1s. What is the magnitude of the emf induced in the coll during this time interval? c) If the coil...
Let’s say you want to “float” a section of copper wire, which is 7.65 cm long...
Let’s say you want to “float” a section of copper wire, which is
7.65 cm long and 2.34 mm in diameter within the magnetic field of
Earth near the Earth’s surface. Assume the magnetic field of Earth
makes a 31° with respect to the horizontal and has a magnitude of
3.5.×10-5 T. The current is flowing from west to east. See the
diagram given below.
Let's say you want to "float" a section of copper wire, which is 7.65 cm...
A wire with a linear mass density of 1.17 g/cm moves at a constant speed on a horizontal surface and the coefficient of kinetic friction between the wire and the surface is 0.250. If the wire carries a current of 1.39 A westward and moves horizontally to the south, determine the magnitude and direction of the smallest magnetic field that can accomplish this. magnitude direction ---Select- As shown in the figure, a conducting rod with a linear mass density of...
Questions 1. A 10 cm wire carrying a current of 20 A is placed in a uniform magnetic field of 0.3 T. If the wire makes an anel 40 with the vector of magnetic field, find the magnitude of the force on the wire. 2. Should you expect that a straight line go through the origin for each experiment? 3. What assumptions are made in each experiment about the magnetic field produced by the magnets? 4. Summarize the results of...
x x A straight section of wire has a mass of 1.0 grams and a length of 14 cm. The wire carries current across a uniform magnetic field as shown in the diagram The strength of the magnetic field is 0.05 T. Assume only magnetic and gravitational forces act on the wire and use a gravitational field strength near the earth of 10 N/kg. Measured in Amps, how strong must the current in the wire be to levitate the wire?...
5. A 20-cm diameter circular loop of wire has a resistance of 150.0 12. It is initially in a 0.40-T magnetic field, with its plane perpendicular to the field B. but it is removed from the magnetic field to a region where there is no magnetic field in 100ms. (a) What is the induced current, (both magnitude and direction) [10] (b) What is the power dissipated in the process.
A 10 m long wire that is fixed (stationary) carries a current:
I1 = 10 A to the right, as shown in the figure.
A much smaller wire of 10 grams and 2 cm in length, is placed
parallel to the long wire as shown in the figure. The geometric
center of the small wire is at the observation point with
coordinates: (0,-y0,0), where: 0 = 5 cm. Assuming that the magnetic
field felt by the small wire has an...
A 10 m long wire that is fixed (stationary) carries a current I1
= 10 A to the right, as shown in the figure.
a) Find an expression for the intensity of the electric field
generated by this long wire at the observation point with
coordinates (0, -y0,0) in terms of the current I1 and y0.
b) What is the direction of the magnetic field generated by this
wire? (Entering, leaving the page; right, left, up or down).
c) A...
QUESTION 27 A circular coil of wire with radius 3 cm and 50 turns is placed in a uniform magnetic field of magnitude 0.4 T. The magnetic field is parallel to the area vector; l.e. perpendicular to the plane of the coll." a) What is the magnetic flux through the coll? b) The magnetic field is decreased to 0 in 0.1s. What is the magnitude of the emf induced in the coll during this time interval? c) If the coil...
Let’s say you want to “float” a section of copper wire, which is
7.65 cm long and 2.34 mm in diameter within the magnetic field of
Earth near the Earth’s surface. Assume the magnetic field of Earth
makes a 31° with respect to the horizontal and has a magnitude of
3.5.×10-5 T. The current is flowing from west to east. See the
diagram given below.
Let's say you want to "float" a section of copper wire, which is 7.65 cm...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago