SP212‐Spring‐2016 CH‐29‐B Assignment First do the following Wiley‐Plus assignment: Assignment #29b After completing the Wiley‐Plus, in your homework notebook, complete the following problems: CH29 Questions # 7 CH29 Problems # 54 To check your work, the answers to the odd problems are in the back of the book. The answers to the even problems are:. #54) t
 1.6  106 T
Homework Then complete the attached worksheets: (Note: the above problems were designed to ensure you have the skills to solve the worksheet problems. It is imperative to your learning of the problem solving technique to do the above problems BEFORE attempting the worksheet problems. You are graded on both! Homework notebooks are graded.) CH‐29‐B‐1: For each of the equations below, 1) State what each term is in your own words … 2) What the units of each term are… 3) What is the general use of that equation in your own words? B  0in A.
B. B 
0iN
2 r

0 
C. B( z ) 
2 z 3
D. WhatequationdoyouhavetouseinsteadofequationCifZisnot
waybiggerthanR?Whatdoeachofthosetermsmean?
CH‐29‐B‐2: A current of 3.0 A is running through a 0.20 m long solenoid. If the magnitude of the magnetic field in the middle of the solenoid is 1.0 10 , the number of loops in the solenoid is closest to: A.
B.
C.
D.
E.
36 82 76 53 45 Show all work: CH‐29‐B‐3: A 500‐turn solenoid has a length of 0.20 m and an area of 0.10 m2. If the magnetic field at the center of the solenoid is 4.0x10‐3 T, the current in the solenoid is closest to A.
B.
C.
D.
E.
1.9 A 0.64 A 0.80 A 1.6 A 1.3 A Show all work: Part b) On which end is the North pole of this Solenoid? What is the direction of the Net B‐field? Explain CH‐29‐B‐4: Consider a toroid with 100 turns where the inside radius, r1, is 0.10 m and the outside radius, r2, is 0.15 m. (A sketch of half of a toroid is shown below.) If there is a current of 3.0 A in the toroid, the magnitude of the largest magnetic field inside the toroid is closest to Show all work: