Chapter 28: Q40P (page 831)
A wire m long carries a current of A and makes an angle of with a uniform magnetic field of magnitude T. Calculate the magnetic force on the wire.
Short Answer
The magnetic force on the wire is .
Chapter 28: Q40P (page 831)
A wire m long carries a current of A and makes an angle of with a uniform magnetic field of magnitude T. Calculate the magnetic force on the wire.
The magnetic force on the wire is .
All the tools & learning materials you need for study success - in one app.
Get started for freeFigure 28-28 shows the path of an electron in a region of uniform magnetic field. The path consists oftwo straight sections, each between a pair of uniformly charged plates, and two half-circles. Which plate isat the higher electric potential in
(a) the top pair of plates and
(b) the bottom pair?
(c) What is the direction of the magnetic field?
Question: A proton travels through uniform magnetic and electric fields. The magnetic fieldis .At one instant the velocity of the proton is At that instant and in unit-vector notation, what is the net force acting on the proton if the electric field is (a) role="math" localid="1663233256112" , (b) and (c)?
Atom 1 of mass 35uand atom 2 of mass 37u are both singly ionized with a charge of +e. After being introduced into a mass spectrometer (Fig. 28-12) and accelerated from rest through a potential difference V=7.3kV, each ion follows a circular path in a uniform magnetic field of magnitude B=0.50T. What is the distancebetween the points where the ions strike the detector?
Figure 28-29 shows 11 paths through a region of uniform magnetic field. One path is a straight line; the rest are half-circles. Table 28-4 gives the masses, charges, and speeds of 11 particles that take these paths through the field in the directions shown. Which path in the figure corresponds to which particle in the table? (The direction of the magnetic field can be determined by means of one of the paths, which is unique.)
Physicist S. A. Goudsmit devised a method for measuring the mass of heavy ions by timing their period of revolution in a known magnetic field. A singly charged ion of iodine makes 7revin a 45.0mTfield in 1.29ms. Calculate its mass in atomic mass units.
What do you think about this solution?
We value your feedback to improve our textbook solutions.