9
QuizMultiple Choice

Unit Test — Unit test

Question 9 • 3262 CR Physics B 25/26

The strength of a magnetic field around a wire carrying a current of 20 A is 0.004 T. What is the strength of the magnetic field if the current is changed to 40 A?

Answer
A
0.002 T
B
0.004 T
C
0.006 T
D
0.008 T
Previous
Next