Solution Found!
Repeat Exercise 22.41, but with the loop lying flat on the
Chapter 22, Problem 49(choose chapter or problem)
Problem 49PE
Repeat Exercise 22.41, but with the loop lying flat on the ground with its current circulating counterclockwise (when viewed from above) in a location where the Earth’s field is north, but at an angle 45.0º below the horizontal and with a strength of 6.00×10−5 T .
Reference Exercise 22.41:
(a) By how many percent is the torque of a motor decreased if its permanent magnets lose 5.0% of their strength? (b) How many percent would the current need to be increased to return the torque to original values?
Questions & Answers
QUESTION:
Problem 49PE
Repeat Exercise 22.41, but with the loop lying flat on the ground with its current circulating counterclockwise (when viewed from above) in a location where the Earth’s field is north, but at an angle 45.0º below the horizontal and with a strength of 6.00×10−5 T .
Reference Exercise 22.41:
(a) By how many percent is the torque of a motor decreased if its permanent magnets lose 5.0% of their strength? (b) How many percent would the current need to be increased to return the torque to original values?
ANSWER: