A) Using Ampere's Law, find the magnetic fieldfrom a household circuit carrying 10A when you are 2m fromit.
B) What about being 20m away from a high powerline carrying 200A at voltages up to 500,000V. What is the fieldstrength and is this dangerous?
C) Electric blankets have been around for a long time, and pregnantwoman are warned not to use them. If the have a current anywherefrom 1 to 2 Amps, would it be safe to use?