A) Using Ampere\'s Law, find the magnetic fieldfrom a household circuit carrying
ID: 1672688 • Letter: A
Question
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? 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?
Explanation / Answer
in all cases, mag field = kI / r so
.
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