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If the strength of the magnetic field at B is 20 units, the strength of the magnetic field at A is
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If the strength of the magnetic field at B is 20 units, the strength of the magnetic field at A is

User Gisele
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2 votes

Answer: 80 Units

Step-by-step explanation:

User Louise McMahon
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3 votes

Answer:

A

Step-by-step explanation:

User ColinKennedy
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