College Physics: A Strategic Approach (4th Edition)
4th Edition
ISBN: 9780134609034
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Chapter 24, Problem 8CQ
To determine
The current direction in the wire.
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Chapter 24 Solutions
College Physics: A Strategic Approach (4th Edition)
Ch. 24 - In Figure Q24.1, suppose the magnet on the right...Ch. 24 - Prob. 2CQCh. 24 - When you are in the southern hemisphere, does a...Ch. 24 - If you were standing directly at the earths north...Ch. 24 - If you took a sample of magnetotactic bacteria...Ch. 24 - Green turtles use the earths magnetic field to...Ch. 24 - Prob. 7CQCh. 24 - Prob. 8CQCh. 24 - Prob. 9CQCh. 24 - As shown in Figure Q24.10, a uniform magnetic...
Ch. 24 - Prob. 11CQCh. 24 - An electron is moving in a circular orbit in a...Ch. 24 - Prob. 13CQCh. 24 - One long solenoid is placed inside another...Ch. 24 - Prob. 15CQCh. 24 - Prob. 16CQCh. 24 - Prob. 17CQCh. 24 - Prob. 18CQCh. 24 - An electron is moving near a long,...Ch. 24 - Two positive charges are moving in a uniform...Ch. 24 - Prob. 21CQCh. 24 - An electron and a proton are moving in circular...Ch. 24 - A proton moves in a region of uniform magnetic...Ch. 24 - Prob. 24CQCh. 24 - Prob. 25CQCh. 24 - A long wire and a square loop lie in the plane of...Ch. 24 - A solenoid carries a current that produces a field...Ch. 24 - Prob. 28CQCh. 24 - Prob. 29MCQCh. 24 - If a compass is placed above a current-carrying...Ch. 24 - Prob. 31MCQCh. 24 - Figure Q24.32 shows four particles moving to the...Ch. 24 - Prob. 33MCQCh. 24 - If all of the particles shown in Figure Q24.33 are...Ch. 24 - If two compasses are brought near enough to each...Ch. 24 - Table 24.1 notes that the magnetic field 10 cm...Ch. 24 - An investigator places a sample 1.0 cm from a wire...Ch. 24 - The magnetic field at the center of a...Ch. 24 - For a particular scientific experiment, it is...Ch. 24 - Prob. 5PCh. 24 - Prob. 6PCh. 24 - Prob. 7PCh. 24 - Although the evidence is weak, there has been...Ch. 24 - Some consumer groups urge pregnant women not to...Ch. 24 - A long wire carrying a 5.0 A current perpendicular...Ch. 24 - Prob. 11PCh. 24 - Prob. 12PCh. 24 - A solenoid used to produce magnetic fields for...Ch. 24 - Two concentric current loops lie in the same...Ch. 24 - The magnetic field of the brain has been measured...Ch. 24 - Prob. 16PCh. 24 - What is the magnetic field at the center of the...Ch. 24 - Experimental tests have shown that hammerhead...Ch. 24 - Prob. 19PCh. 24 - Prob. 20PCh. 24 - In the Bohr model of the hydrogen atom, the...Ch. 24 - A proton moves with a speed of 1.0 107 m/s in the...Ch. 24 - An electron moves with a speed of 1.0 107 m/s in...Ch. 24 - An electromagnetic flowmeter applies a magnetic...Ch. 24 - The aurora is caused when electrons and protons,...Ch. 24 - Problem 24.25 describes two particles that orbit...Ch. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - The microwaves in a microwave oven are produced in...Ch. 24 - A cyclotron is used to produce a beam of...Ch. 24 - A medical cyclotron used in the production of...Ch. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - A uniform 2.5 T magnetic field points to the...Ch. 24 - Prob. 37PCh. 24 - A current loop in a motor has an area of 0.85 cm2....Ch. 24 - A square current loop 5.0 cm on each side carries...Ch. 24 - People have proposed driving motors with the...Ch. 24 - Prob. 41PCh. 24 - Prob. 42PCh. 24 - A solenoid is near a piece of iron, as shown in...Ch. 24 - The right edge of the circuit in Figure P24.44...Ch. 24 - Prob. 45GPCh. 24 - An electron travels with speed 1.0 107 m/s...Ch. 24 - Prob. 47GPCh. 24 - Prob. 48GPCh. 24 - Irrigation channels that require regular flow...Ch. 24 - Typical blood velocities in the coronary arteries...Ch. 24 - Prob. 51GPCh. 24 - Bats are capable of navigating using the earths...Ch. 24 - At the equator, the earths field is essentially...Ch. 24 - Prob. 55GPCh. 24 - A 1.0-m-long, 1.0-mm-diaraeter copper wire carries...Ch. 24 - An insulated copper wire is wrapped around an iron...Ch. 24 - Prob. 58GPCh. 24 - Assuming the particle in Figure P24.59 is...Ch. 24 - How does the kinetic energy of the particle in...Ch. 24 - Prob. 61MSPPCh. 24 - Next, a particle with the same mass and velocity...Ch. 24 - What is the direction of the magnetic force on a...Ch. 24 - What is the magnitude of the force on this ion? A....Ch. 24 - What magnitude electric field is necessary to...Ch. 24 - The electric field produces a potential...Ch. 24 - In the spectrometer shown in Figure P24.67, do the...Ch. 24 - The moving ions can be thought of as a current...Ch. 24 - Why is it important that the ions have a known...Ch. 24 - A mass spectrometer similar to the one in Figure...
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- Multiple-Concept Example 7 discusses how problems like this one can be solved. A 2.00-µC charge is moving with a speed of 9.20 x 104 m/s parallel to a very long, straight wire. The wire is 2.80 cm from the charge and carries a current of 98.O A. Find the magnitude of the force on the charge.arrow_forwardTwo infinitely long parallel wires are at a distance of 5.0 cm apart. If the wires carry a current of 6.7A, what is the exchanged force per meter between the wires ( in units of µN )? Select one: OA. 179.6 OB. 211.0 OC. 143.6 OD. 103.2 OE. 233.4 Next paarrow_forwardAn electron is travelling at 100.0 km/s parallel to a long straight horizontal conductor a distance of 3.00 cm from the conductor. A current of 12.0 A runs through the wire as the electron travels parallel to it, in the same direction as the electron’s velocity. Find the strength of the external electric field that will prevent the electron from deviating from its original path. Express your answer in V/marrow_forward
- A particle accelerator produces a beam with a radius of 1.25 mm with a current of 2.00 mA. Each proton has a kinetic energy of 10.00 MeV. (a) What is the velocity of the protons? (b) What is the number (n) of protons per unit volume? (b) How many electrons pass a cross sectional area each second?arrow_forwardA wire has a current of 45 A going into the page. What is the B field and direction 1.5 m to the right of the wire? What is the force and direction on a proton traveling 5 m/s into the page at this point?arrow_forwardA wire has a current of 145 A going to the left. What is the B field and direction 1.5 m to the right of the wire? What is the force and direction on a 2 uC charge traveling 50 m/s into the page at this point?arrow_forward
- Two parallel copper conductors are each 0.700 m long. They carry currents of 10.0 A in opposite directions. a) What separation between their centers must have conductors if they are to repel each other with a force of 1.00 N? b) Is this situation physically possible? Explain.arrow_forwardA biophysics experiment uses a very sensitive magnetic field probe to determine the current associated with a nerve impulse traveling along an axon. If the peak field strength 1.0 mm from an axon is 8.0 pT, what is the peak current carried by the axon?arrow_forwardThe figure shows a cross section of three parallel wires each carrying a current of 21.4 A. The currents in wires A and C are out of the paper, while that in wire B is into the paper. If the distance R = 5.0 mm, what is the magnitude of the force on a 4.0 m length of wire C? R A В O a. 109.91 mN O b. 45.80 mN О с. 1.71 mN O d. 36.64 mN O e. 0.00 Narrow_forward
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