Physics Homework Chapter 19

I'm currently uploading videos and posting calculators! :) Happy Valentines Day!



Purchase a calculating spreadsheet that will work for EVERY question in Chapter 19 Webassign
Buy this on Selz Sell digital downloads on Selz


CALCULATOR 19-1


1. Consider the following figure.

(a) Find the direction of the force on a proton (a positively charged particle) moving through the magnetic fields in the figure, as shown.
Field      Force Direction
(a)   _____
(b)   _____
(c)   _____
(d)   _____
(e)   _____
(f)   _____


(b) Repeat part (a), assuming the moving particle is an electron.
Field      Force Direction
(a)   _____
(b)   _____
(c)   _____
(d)   _____
(e)   _____
(f)    _____


Download Calculator For Problem #1 (Free)
Buy this on Selz Sell digital downloads on Selz



2. Find the direction of the magnetic field acting on the positively charged particle moving in the various situations shown in the figure below if the direction of the magnetic force acting on it is as indicated.
Figure (a)    

Figure (b)    

Figure (c)


Download Calculator for Problem #2 (Free)
Buy this on Selz Sell digital downloads on Selz


3. An electron is accelerated through 2600 V from rest and then enters a region where there is a uniform 1.90 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron?

(a) maximum
_____N

(b) minimum.
_____N


Purchase Calculator for Problem #3 ($1.35)
Buy this on Selz Sell digital downloads on Selz

4. A proton moving at 5.60 X 10^6 m/s through a magnetic field of magnitude 1.80 T experiences a magnetic force of magnitude 7.40 X 10^-13 N. What is the angle between the proton's velocity and the field? (Enter both possible answers from smallest to largest. Enter only positive values between 0 and 360.)
smaller value    
_____°
larger value    
_____°

Purchase Calculator for Problem #4 ($1.35)
Buy this on Selz Sell digital downloads on Selz


5. A current I = 17 A is directed along the positive x-axis and perpendicular to a magnetic field. A magnetic force per unit length of 0.16 N/m acts on the conductor in the negative y-direction. Calculate the magnitude and direction of the magnetic field in the region through which the current passes.
_____T


Purchase Calculator for Problem #5 ($1.35)
Buy this on Selz Sell digital downloads on Selz



6. A wire carries a current of 5.0 A in a direction that makes an angle of 35.0° with the direction of a magnetic field of strength 0.300 T. Find the magnetic force on a 7.00 m length of the wire.
_____N


Purchase Calculator for Problem #6 ($1.35)
Buy this on Selz Sell digital downloads on Selz



7. A wire is formed into a circle having a diameter of 10.7 cm and is placed in a uniform magnetic field of 2.78 mT. The wire carries a current of 5.00 A. Find the maximum torque on the wire.
_____µN · m


Purchase Calculator for Problem #7 ($1.35)
Buy this on Selz Sell digital downloads on Selz


8. A current of 29.0 mA is maintained in a single circular loop with a circumference of 2.40 m. A magnetic field of 0.450 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop?
_____ N · m

Purchase Calculator for Problem #8 ($1.35)
Buy this on Selz Sell digital downloads on Selz

9. A rectangular loop consists of 102 closely wrapped turns and has dimensions 0.400 m by 0.300 m. The loop is hinged along the y-axis, and the plane of the coil makes an angle of 30.0° with the x-axis (see figure below).

What is the magnitude of the torque exerted on the loop by a uniform magnetic field of 0.760 T directed along the x-axis when the current in the windings has a value of 1.20 A in the direction shown?
_____N · m


Purchase Calculator for Problem #9 ($1.35)
Buy this on Selz Sell digital downloads on Selz



10. An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.240 T. If the kinetic energy of the electron is 3.20 X 10^-19 J, find the speed of the electron and the radius of the circular path.

(a) the speed of the electron
_____m/s

(b) the radius of the circular path
_____µm


Purchase Calculator for Problem #10 ($1.35)
Buy this on Selz Sell digital downloads on Selz



11. A proton travels with a speed of 4.90 X 10^6 m/s at an angle of 62° with the direction of a magnetic field of magnitude 0.150 T in the positive x-direction.

(a) What is the magnitude of the magnetic force on the proton?
_____N

(b) What is the proton's acceleration?
_____m/s^2


Purchase Calculator for Problem #11 ($1.35)
Buy this on Selz Sell digital downloads on Selz


12. In each of parts (a), (b), and (c) of the figure below, find the direction of the current in the wire that would produce a magnetic field directed as shown.
part (a)    
part (b)    
part (c)


Purchase Calculator for Problem #12 ($1.35)
Buy this on Selz Sell digital downloads on Selz


13. Two long, parallel wires separated by 5.00 cm carry currents in opposite directions. The current in one wire is 1.30 A, and the current in the other is 3.40 A.
(a) Find the magnitude of the force per unit length that one wire exerts on the other.
_____N/m

(b) Is the force attractive or repulsive?
__attractive
__repulsive  


Purchase Calculator for Problem #13 ($1.35)
Buy this on Selz Sell digital downloads on Selz


14. A long solenoid that has 1,190 turns uniformly distributed over a length of 0.395 m produces a magnetic field of magnitude 1.00 X 10^-4 T at its center. What current is required in the windings for that to occur?
_____mA


Purchase Calculator for Problem #14 ($1.35)
Buy this on Selz Sell digital downloads on Selz


15. A certain superconducting magnet in the form of a solenoid of length 0.40 m can generate a magnetic field of 12.0 T in its core when its coils carry a current of 120 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find the number of turns in the solenoid.
_____turns


Purchase Calculator for Problem #15 ($1.35)
Buy this on Selz Sell digital downloads on Selz