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Magnetic fields______. A. are always found in insulators B. have north and south poles C. need a conductor D. must have only positive charges
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4 votes
Magnetic fields______.

A. are always found in insulators
B. have north and south poles
C. need a conductor
D. must have only positive charges

User Picknick
by
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1 Answer

3 votes
The correct answer is - B. have north and south poles
User Jazzblue
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