College Physics: A Strategic Approach (3rd Edition)
3rd Edition
ISBN: 9780321879721
Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher: PEARSON
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Question
Chapter 24, Problem 31MCQ
To determine
The electric field at the point which is in between of two wires.
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Students have asked these similar questions
Two wires carry equal and opposite currents, as shown. At a point directly between the two wires, the field isA. Directed up, toward the top of the page.B. Directed down, toward the bottom of the page.C. Directed to the left.D. Directed to the right.E. Zero.
An electron moves in a circular orbit in a
uniform B-field. Which of the following
19.
statements is the most correct?
A The period of the electron in the orbit is
independent of the speed of the electron.
B The force on the electron is parallel to the
field
C The speed of the electron is independent
of the radius of the orbit.
D The B-field is proportional to the radius
of the circle.
D
20
Chapter 24 Solutions
College Physics: A Strategic Approach (3rd Edition)
Ch. 24 - In Figure Q24.1, suppose the magnet on the right...Ch. 24 - You have a bar magnet whose poles are not marked....Ch. 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 - An electron is moving in a circular orbit in the...Ch. 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 - An unmagnetized metal sphere hangs by a thread....Ch. 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 - Four particles of identical charge and mass enter...Ch. 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 - Use the data from Table 24.1 to determine at what...Ch. 24 - The magnetic field at the center of a...Ch. 24 - For a particular scientific experiment, it is...Ch. 24 - Prob. 5PCh. 24 - An investigator places a sample 1.0 cm from a wire...Ch. 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 - The element niobium, which is a metal, is a...Ch. 24 - The small currents in axons corresponding to nerve...Ch. 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 - You have a 1.0-m-long copper wire. You want to...Ch. 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 - Charged particles orbit magnetic field lines in...Ch. 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 - Early black-and-white television sets used an...Ch. 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 - a. What is the magnitude of the torque on the...Ch. 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 - A device called a railgun uses the magnetic force...Ch. 24 - Irrigation channels that require regular flow...Ch. 24 - Typical blood velocities in the coronary arteries...Ch. 24 - A power line consists of two wires, each carrying...Ch. 24 - Consider the long rectangular loop in Figure...Ch. 24 - Bats are capable of navigating using the earths...Ch. 24 - At the equator, the earths field is essentially...Ch. 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 - 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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- An electron with a speed of 3.00 106 m/s moves into a uniform electric field of magnitude 1.00 103 N/C. The field lines are parallel to the electrons velocity and pointing in the same direction as the velocity. How far does the electron travel before it is brought to rest? (a) 2.56 cm (b) 5.12 cm (c) 11.2 cm (d) 3.34 m (e) 4.24 marrow_forwardFind an expression for the electric field at point A for the dipole source shown in Figure P24.17. Show that when y : d, the electric field is given by Ekp/y3.arrow_forwardWhich one of the following statements best explains why tiny bits of paper are attracted to a charged rubber rod? Paper is naturally a positive material. Paper is naturally a negative material. The paper becomes electrically polarized by induction. Rubber and paper always attract each other.arrow_forward
- Find the force of electrical attraction between a proton and an electron that are 8.7 x 10-11 m apart. Compare this to the gravitational force between these particles. N Need Help? Read It Talk to a Tutor O vA 11:44 esc DII %23 $ & backspace 1 2 3 4 6 8 tab e t y a f enter shift V n m shift alt alt str)arrow_forwardq19arrow_forwardPo Dalcho 2. A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire?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_forwardTwo conductor wires of linear charge density lambda, one of them of infinite length and the other of length a, are placed as indicated in the figure and are in the same plane. Determine the electrical repulsion force between both wires. A. F= 2K2ln 3 B. F=0 C. F= K 2 ln 3 D. F= 2K ln 2 /a E. F= K ln 3 F. F = k Q/a2 G. F= 2 K ln2arrow_forwardCurrent Attempt in Progress In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 x 10 25 kg). In a spectrometer, a single ionized molecule of isoflurane (charge = + e) moves at a speed of 8.80 x 103 m/s on a circular path that has a radius of 0.102 m. What is the magnitude of the magnetic field that the spectrometer uses?arrow_forward
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