A wire of negligible resistance is bent into a rectangle, and a battery and resistor are connected as shown in the figure. The right- hand side of the circuit extends into a region containing a uniform 38 mT magnetic field pointing into the page. Find the magnitude and direction of the net force on the circuit. 12 V 3.0 Ω ww 10 cm X X Bi x X X X

A wire of negligible resistance is bent into a rectangle, and a battery and resistor are connected as shown in the figure. The right- hand side of the circuit extends into a region containing a uniform 38 mT magnetic field pointing into the page. Find the magnitude and direction of the net force on the circuit. 12 V 3.0 Ω ww 10 cm X X Bi x X X X

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Faraday’s Law

Section: Chapter Questions

Problem 31.20P

See similar textbooks

Similar questions

Explain how magnetic flux can be zero when the magnetic field is not zero.
Verify the units obtained for magnetic field strength B in Example 24.1 (using the equation B=Ec ) are in fact teslas (T).
Verify than the direction of the line force in an MHD drive, such as that in Figure 22.32, does not depend on the sign of the charges carrying the current across the fluid.
What is the value of the magnetic flux through the coil in Figure 23.56 (b) due to the wire?
In the August 1992 space shuttle flight, only 250 m of the conducting tether considered in Example 23.2 could be let out. A 40.0 V motional emf was generated in me Earth’s 5.00105T field, while moving at 7.80103m/s. What was the angle between the shuttle’s velocity and the Earth’s field, assuming the conductor was perpendicular to the field?
A proton of speed v=6105m/s enters a region of uniform magnetic field of B = 0.5 T at an angle of q = 30° to the magnetic field. In the region of magnetic field proton describes a helical path with radius R and pitch p (distance between loops.) Find R and p.
A uniform horizontal wire with a linear mass density of 0.50 g/m carries a 2.0-A current. It is placed in a constant magnetic field with a strength of 4.0 103 T. The field is horizontal and perpendicular to the wire. As the wire moves upward starting from rest, (a) what is its acceleration and (b) how long does it take to rise 0.50 m? Neglect the magnetic field of Earth.
A mass spectrometer is being used to separate common oxygen16 from the much rarer oxygen18, taken from a sample of old glacial ice. (The relative abundance of these oxygen isotopes is related to climatic temperature at the time the ice was deposited.) The ratio of the masses of these two ions is 16 to 18, the mass of oxygen-16 is 2.661026kg, and they are singly charged and travel at 5.00106m/s in a 1.20T magnetic field. What is the separation between their paths when they hit a target after traversing a semicircle?
Show that the Hall voltage across wires made of the same material, carrying identical currents, and subjected to the same magnetic field is inversely proportional to their diameters. (Hint Consider how drift velocity depends on wire diameter.)
The 12.0 cm long rod in Figure 23.11 moves at 4.00 m/s. What is the strength of the magnetic field if a 95.0 V emf is induced?
Unreasonable results To construct a non-mechanical water meter, a 0.500-T magnetic field is placed across the supply water pipe to a home and the Hall voltage is recorded, (a) Find the flow rate through a 3.00-cm-diameter pipe if the Hall voltage is 60.0 mV. (b) What would the Hail voltage be for the same flow rate through a 10,0-cm- diameter pipe with tire same field applied?
Nonnuclear submarines use batteries for power when submerged. (a) Find the magnetic field 50.0 cm from a straight wire carrying 1200 A from me batteries to the drive mechanism of a submarine. (b) What is the field if the wires to and from the drive mechanism are side by side? (c) Discuss the effects this could have for a compass on the submarine that is not shielded.