An electrically conductive rod is moving through a uniform magnetic flux at a constant velocity at right angles, as shown by its cross-section in thediagram. The velocity is in the x-direction, the rod is of length 150 mm along z, and the magnetic flux density is 0.2 T in the positive y-direction.SpeedIf the potential difference (voltage) across the ends of the rod is 5.8 Volts, what is the magnitude of the velocity?m/sNot perpendicularIf the rod is passing through the flux with its axis not at right angles what can you be sure of?The speed to generate 5.8 V would have to be smaller.• The speed to generate 5.8 V would have to be bigger.The speed to generate 5.8 V would be the same.

The magnetic force on the electron will be balanced by the electrostatic force due to the potential…

Answered: B An electrically conductive rod is…

Similar questions

A rocket zooms past the earth at v = 2.0 x 10 m/s. Scientists on the rocket have created the electric and magnetic fields shown in the figure.(Eigure 1) Assume that B = 1.5 T and E= 1.5x106 V/m. Figure B E 2.0 × 10 m/s 1 of 1 ▼ Part A What is the electric field strength measured by an earthbound scientist? Express your answer using two significant figures. Π ΑΣΦ E = Submit Part B Up What is the direction of the electric field measured by an earthbound scientist? Down Left B = Request Answer Right Into the page Submit Out of the page Part C Previous Answers Correct ? V/m What is the magnetic field strength measured by an earthbound scientist? Express your answer using two significant figures. ΠΨΕ ΑΣΦ ? T
C A charged particle moves through a velocity selector at constant velocity. The velocity selector is configured with "crossed" electric and magnetic fields of magnitude E= 2.00 x 10 N/C and B = 0.2 T Hint a. What is the velocity of the charged particle? Velocity of the charged particle is x 10 m/s. b. When the electric field is turned off, the charged particle travels in a circular path of radíus 2 mm, as it travels through the magnetic field (still at B=0.2 T). What is the mass-to-charge ratio of the particle? Hint for (b) Mass-to-charge ratio of the particle is kg/C. (Use the "E" notation to enter your answer in scientific notation. For example, to enter 3.14 x 10-¹2, enter "3.14E-12".) Submit Question G Search or type URL % 5 A MacBook Pro 6 &
A wire with a length of 3.5 m and a mass of 0.74 kg is in a region of space with a magnetic field of 0.76 T. Part A What is the minimum current needed to levitate the wire? Express your answer using two significant figures. νΠ ΑΣφ I = A
N batteries not shown A. A wire is connected to batteries (not shown), and current flows through the wire. The wire lies flat on a table, and you are looking down on it from above. The wire is laid on top of a compass, resting about 6 mm above the needle. The distance d is 5.5 cm. The compass needle deflects 11 degrees from North, as shown. At this location the horizontal component of the Earth's magnetic field is 2e-5 tesla. What is the direction of the magnetic field at location A, midway between the wires, due to the current in the wire? Out of the page What is the approximate magnitude of the magnetic field at location A, due to the current in the wire? |B| = 3.88e-6 × T What approximations or assumptions did you make in solving this problem? Assume one side of the wire is much longer than d Assume that at the location of the compass the effect of the distant wire is negligible Assume the Earth's magnetic field is negligible Assume the bent end of the wire is far from location A
The earth's magnetic field, with a magnetic dipole moment of 8.0 x 1022 A m², is generated by currents within the molten iron of the earth's outer core. Suppose we model the core current as a 3000-km-diameter current loop made from a 1000-km-diameter "wire." The loop diameter is measured from the centers of this very fat wire. ▼ Part B What is the current density J in the current loop? Express your answer to two significant figures and include the appropriate units. J = Submit Part C Лоор Jwire μA Value Submit Request Answer To decide whether this is a large or a small current density, find the ratio of the current density J in the current loop to the current density of a 3.0 A current in a 1.0-mm-diameter wire. Express your answer using two significant figures. 17 ΑΣΦ VO Units Request Answer ? ?
n the figure, a small particle of charge -1.7 × 10-6 C and mass m = 2.1 × 10-12 kg has speed v0 = 7.1 × 103 m/s as it enters a region of uniform magnetic field. The particle is initially traveling perpendicular to the magnetic field and is observed to travel in the semicircular path shown with radius R = 3.0 cm. Find the magnitude and direction of the magnetic field in the region. Make sure to explain how you've determined the direction of the magnetic field
The component of the external magnetic field along the central axis of a 78 turn circular coil of radius 32.0 cm decreases from 2.40 T to 0.100 T in 2.00 s. If the resistance of the coil is R=3.00 Ω, what is the magnitude of the induced current in the coil? magnitude: A What is the direction of the current if the axial component of the field points away from the viewer?
a
When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The current can be modeled as a long, straight wire in the handle. During use, the current is about 2.15 cm from the user's hand. What is the current in the hair dryer? A What is the resistance of the hair dryer? Ω What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is ?0=4?×10−7 N/A2.
Problem 5: An electric current of I= 0.55 A flows through a long, straight wire. The wire lies in the plane of a rectangular area that has a pair of sides parallel to the wire. Refer to the diagram. The distance between the wire and the nearest side of the area is c = 0.043 m and the I area's dimensions are a = 0.038 m and b = 0.089 m, as shown. a Find the magnetic flux, , in T•m², through the area. = sin() cos() tan() 8 НОМЕ cotan() asin() acos() E AL 4 5 6. atan() acotan() sinh) 1 2 3 cosh() tanh() cotanh() +| - END ODegrees O Radians VO BACKSPACE DEL CLEAR
(Figure 1) shows a circuit with an area of 0.070 m² containing a R = 1.0 N resistor and a C = 230 µF uncharged capacitor. Pointing into the plane of the circuit is a uniform magnetic field of magnitude 0.11 T. In 1.0 × 10-2 s the magnetic field strengthens at a constant rate to become 0.80 T pointing into the plane. Part A What maximum charge (sign and magnitude) accumulates on the upper plate of the capacitor in the diagram? Express your answer to two significant figures and include appropriate units. µA ? Value Units Submit Request Answer Provide Feedback Figure 1 of 1 R
A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2

SEE MORE QUESTIONS